Finding the Fourth Proportional to 127,709, 176,066.64 and 89,417.04

Step by Step Solution

1. Step 1: Write the proportion equation
   127,709 : 176,066.64 = 89,417.04 : x
2. Step 2: Convert to fraction form
   127,709/176,066.64 = 89,417.04/x
3. Step 3: Cross multiply
   127,709x = 176,066.64 × 89,417.04
4. Step 4: Simplify right side
   127,709x = 15,743,357,791.55
5. Step 5: Solve for x
   x = 15,743,357,791.55/127,709
6. Step 6: Final answer
   x = 123,275.24