Finding the Fourth Proportional to 9,087.12, 12,539.89 and 5,053.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.12 : 12,539.89 = 5,053.93 : x
2. Step 2: Convert to fraction form
   9,087.12/12,539.89 = 5,053.93/x
3. Step 3: Cross multiply
   9,087.12x = 12,539.89 × 5,053.93
4. Step 4: Simplify right side
   9,087.12x = 63,375,726.27
5. Step 5: Solve for x
   x = 63,375,726.27/9,087.12
6. Step 6: Final answer
   x = 6,974.24