Finding the Fourth Proportional to 109,543.37, 151,171.31 and 61,796.57

Step by Step Solution

1. Step 1: Write the proportion equation
   109,543.37 : 151,171.31 = 61,796.57 : x
2. Step 2: Convert to fraction form
   109,543.37/151,171.31 = 61,796.57/x
3. Step 3: Cross multiply
   109,543.37x = 151,171.31 × 61,796.57
4. Step 4: Simplify right side
   109,543.37x = 9,341,867,839.04
5. Step 5: Solve for x
   x = 9,341,867,839.04/109,543.37
6. Step 6: Final answer
   x = 85,280.09