Finding the Fourth Proportional to 116,513.76, 160,787.46 and 65,526.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116,513.76 : 160,787.46 = 65,526.47 : x
2. Step 2: Convert to fraction form
   116,513.76/160,787.46 = 65,526.47/x
3. Step 3: Cross multiply
   116,513.76x = 160,787.46 × 65,526.47
4. Step 4: Simplify right side
   116,513.76x = 10,535,834,830.31
5. Step 5: Solve for x
   x = 10,535,834,830.31/116,513.76
6. Step 6: Final answer
   x = 90,425.67