Finding the Fourth Proportional to 120,061.39, 165,691.09 and 69,081.86

Step by Step Solution

1. Step 1: Write the proportion equation
   120,061.39 : 165,691.09 = 69,081.86 : x
2. Step 2: Convert to fraction form
   120,061.39/165,691.09 = 69,081.86/x
3. Step 3: Cross multiply
   120,061.39x = 165,691.09 × 69,081.86
4. Step 4: Simplify right side
   120,061.39x = 11,446,249,268.21
5. Step 5: Solve for x
   x = 11,446,249,268.21/120,061.39
6. Step 6: Final answer
   x = 95,336.64