Finding the Fourth Proportional to 9,066.58, 12,511.80 and 5,087.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.58 : 12,511.80 = 5,087.61 : x
2. Step 2: Convert to fraction form
   9,066.58/12,511.80 = 5,087.61/x
3. Step 3: Cross multiply
   9,066.58x = 12,511.80 × 5,087.61
4. Step 4: Simplify right side
   9,066.58x = 63,655,158.80
5. Step 5: Solve for x
   x = 63,655,158.80/9,066.58
6. Step 6: Final answer
   x = 7,020.86