Finding the Fourth Proportional to 116,620.55, 160,937.03 and 65,634.29

Step by Step Solution

1. Step 1: Write the proportion equation
   116,620.55 : 160,937.03 = 65,634.29 : x
2. Step 2: Convert to fraction form
   116,620.55/160,937.03 = 65,634.29/x
3. Step 3: Cross multiply
   116,620.55x = 160,937.03 × 65,634.29
4. Step 4: Simplify right side
   116,620.55x = 10,562,986,565.90
5. Step 5: Solve for x
   x = 10,562,986,565.90/116,620.55
6. Step 6: Final answer
   x = 90,575.69