Finding the Fourth Proportional to 109,876.96, 151,654.96 and 64,569.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,876.96 : 151,654.96 = 64,569.50 : x
2. Step 2: Convert to fraction form
   109,876.96/151,654.96 = 64,569.50/x
3. Step 3: Cross multiply
   109,876.96x = 151,654.96 × 64,569.50
4. Step 4: Simplify right side
   109,876.96x = 9,792,284,939.72
5. Step 5: Solve for x
   x = 9,792,284,939.72/109,876.96
6. Step 6: Final answer
   x = 89,120.46