Finding the Fourth Proportional to 117,142.72, 175,807.02 and 60,998.80

Step by Step Solution

1. Step 1: Write the proportion equation
   117,142.72 : 175,807.02 = 60,998.80 : x
2. Step 2: Convert to fraction form
   117,142.72/175,807.02 = 60,998.80/x
3. Step 3: Cross multiply
   117,142.72x = 175,807.02 × 60,998.80
4. Step 4: Simplify right side
   117,142.72x = 10,724,017,251.58
5. Step 5: Solve for x
   x = 10,724,017,251.58/117,142.72
6. Step 6: Final answer
   x = 91,546.60