Finding the Fourth Proportional to 8,577.10, 12,042.50 and 8,577.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,577.10 : 12,042.50 = 8,577.10 : x
2. Step 2: Convert to fraction form
   8,577.10/12,042.50 = 8,577.10/x
3. Step 3: Cross multiply
   8,577.10x = 12,042.50 × 8,577.10
4. Step 4: Simplify right side
   8,577.10x = 103,289,726.75
5. Step 5: Solve for x
   x = 103,289,726.75/8,577.10
6. Step 6: Final answer
   x = 12,042.50