Finding the Fourth Proportional to 109,531.16, 151,151.91 and 61,800.02

Step by Step Solution

1. Step 1: Write the proportion equation
   109,531.16 : 151,151.91 = 61,800.02 : x
2. Step 2: Convert to fraction form
   109,531.16/151,151.91 = 61,800.02/x
3. Step 3: Cross multiply
   109,531.16x = 151,151.91 × 61,800.02
4. Step 4: Simplify right side
   109,531.16x = 9,341,191,061.04
5. Step 5: Solve for x
   x = 9,341,191,061.04/109,531.16
6. Step 6: Final answer
   x = 85,283.41