Finding the Fourth Proportional to 78,098.54, 117,152.34 and 21,943.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,098.54 : 117,152.34 = 21,943.02 : x
2. Step 2: Convert to fraction form
   78,098.54/117,152.34 = 21,943.02/x
3. Step 3: Cross multiply
   78,098.54x = 117,152.34 × 21,943.02
4. Step 4: Simplify right side
   78,098.54x = 2,570,676,139.67
5. Step 5: Solve for x
   x = 2,570,676,139.67/78,098.54
6. Step 6: Final answer
   x = 32,915.80