Finding the Fourth Proportional to 15,050.91, 22,561.50 and 7,139.54

Step by Step Solution

1. Step 1: Write the proportion equation
   15,050.91 : 22,561.50 = 7,139.54 : x
2. Step 2: Convert to fraction form
   15,050.91/22,561.50 = 7,139.54/x
3. Step 3: Cross multiply
   15,050.91x = 22,561.50 × 7,139.54
4. Step 4: Simplify right side
   15,050.91x = 161,078,814.89
5. Step 5: Solve for x
   x = 161,078,814.89/15,050.91
6. Step 6: Final answer
   x = 10,702.26