Finding the Fourth Proportional to 78,240,921.42, 107,967,053.34 and 43,430,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,240,921.42 : 107,967,053.34 = 43,430,870.10 : x
2. Step 2: Convert to fraction form
   78,240,921.42/107,967,053.34 = 43,430,870.10/x
3. Step 3: Cross multiply
   78,240,921.42x = 107,967,053.34 × 43,430,870.10
4. Step 4: Simplify right side
   78,240,921.42x = 4,689,103,068,689,311
5. Step 5: Solve for x
   x = 4,689,103,068,689,311/78,240,921.42
6. Step 6: Final answer
   x = 59,931,593.13