Finding the Fourth Proportional to 78,857,798,296.71, 108,823,857,308.35 and 42,728,802,776.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,857,798,296.71 : 108,823,857,308.35 = 42,728,802,776.98 : x
2. Step 2: Convert to fraction form
   78,857,798,296.71/108,823,857,308.35 = 42,728,802,776.98/x
3. Step 3: Cross multiply
   78,857,798,296.71x = 108,823,857,308.35 × 42,728,802,776.98
4. Step 4: Simplify right side
   78,857,798,296.71x = 4,649,913,136,358,701,400,064
5. Step 5: Solve for x
   x = 4,649,913,136,358,701,400,064/78,857,798,296.71
6. Step 6: Final answer
   x = 58,965,799,664.64