Finding the Fourth Proportional to 9,036.14, 12,470.48 and 5,057.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.14 : 12,470.48 = 5,057.61 : x
2. Step 2: Convert to fraction form
   9,036.14/12,470.48 = 5,057.61/x
3. Step 3: Cross multiply
   9,036.14x = 12,470.48 × 5,057.61
4. Step 4: Simplify right side
   9,036.14x = 63,070,799.06
5. Step 5: Solve for x
   x = 63,070,799.06/9,036.14
6. Step 6: Final answer
   x = 6,979.84