Finding the Fourth Proportional to 123,084, 183,659.92 and 115,560.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,084 : 183,659.92 = 115,560.72 : x
2. Step 2: Convert to fraction form
   123,084/183,659.92 = 115,560.72/x
3. Step 3: Cross multiply
   123,084x = 183,659.92 × 115,560.72
4. Step 4: Simplify right side
   123,084x = 21,223,872,590.34
5. Step 5: Solve for x
   x = 21,223,872,590.34/123,084
6. Step 6: Final answer
   x = 172,434.05