Finding the Fourth Proportional to 9,057.98, 12,500.01 and 5,079.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057.98 : 12,500.01 = 5,079.08 : x
2. Step 2: Convert to fraction form
   9,057.98/12,500.01 = 5,079.08/x
3. Step 3: Cross multiply
   9,057.98x = 12,500.01 × 5,079.08
4. Step 4: Simplify right side
   9,057.98x = 63,488,550.79
5. Step 5: Solve for x
   x = 63,488,550.79/9,057.98
6. Step 6: Final answer
   x = 7,009.13