Finding the Fourth Proportional to 102,320.72, 141,202.84 and 59,308.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,320.72 : 141,202.84 = 59,308.52 : x
2. Step 2: Convert to fraction form
   102,320.72/141,202.84 = 59,308.52/x
3. Step 3: Cross multiply
   102,320.72x = 141,202.84 × 59,308.52
4. Step 4: Simplify right side
   102,320.72x = 8,374,531,460.20
5. Step 5: Solve for x
   x = 8,374,531,460.20/102,320.72
6. Step 6: Final answer
   x = 81,845.90