Finding the Fourth Proportional to 116,581.47, 160,878.92 and 65,597.03

Step by Step Solution

1. Step 1: Write the proportion equation
   116,581.47 : 160,878.92 = 65,597.03 : x
2. Step 2: Convert to fraction form
   116,581.47/160,878.92 = 65,597.03/x
3. Step 3: Cross multiply
   116,581.47x = 160,878.92 × 65,597.03
4. Step 4: Simplify right side
   116,581.47x = 10,553,179,341.61
5. Step 5: Solve for x
   x = 10,553,179,341.61/116,581.47
6. Step 6: Final answer
   x = 90,521.93