Finding the Fourth Proportional to 119,699.48, 165,182.12 and 65,984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   119,699.48 : 165,182.12 = 65,984.72 : x
2. Step 2: Convert to fraction form
   119,699.48/165,182.12 = 65,984.72/x
3. Step 3: Cross multiply
   119,699.48x = 165,182.12 × 65,984.72
4. Step 4: Simplify right side
   119,699.48x = 10,899,495,937.21
5. Step 5: Solve for x
   x = 10,899,495,937.21/119,699.48
6. Step 6: Final answer
   x = 91,057.17