Finding the Fourth Proportional to 15,003.31, 22,519.10 and 7,613.08

Step by Step Solution

1. Step 1: Write the proportion equation
   15,003.31 : 22,519.10 = 7,613.08 : x
2. Step 2: Convert to fraction form
   15,003.31/22,519.10 = 7,613.08/x
3. Step 3: Cross multiply
   15,003.31x = 22,519.10 × 7,613.08
4. Step 4: Simplify right side
   15,003.31x = 171,439,709.83
5. Step 5: Solve for x
   x = 171,439,709.83/15,003.31
6. Step 6: Final answer
   x = 11,426.79