Finding the Fourth Proportional to 78,484.23, 108,307.98 and 42,673.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,484.23 : 108,307.98 = 42,673.95 : x
2. Step 2: Convert to fraction form
   78,484.23/108,307.98 = 42,673.95/x
3. Step 3: Cross multiply
   78,484.23x = 108,307.98 × 42,673.95
4. Step 4: Simplify right side
   78,484.23x = 4,621,929,323.12
5. Step 5: Solve for x
   x = 4,621,929,323.12/78,484.23
6. Step 6: Final answer
   x = 58,889.91