Finding the Fourth Proportional to 12,053.57, 16,641.50 and 7,583.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053.57 : 16,641.50 = 7,583.90 : x
2. Step 2: Convert to fraction form
   12,053.57/16,641.50 = 7,583.90/x
3. Step 3: Cross multiply
   12,053.57x = 16,641.50 × 7,583.90
4. Step 4: Simplify right side
   12,053.57x = 126,207,350.72
5. Step 5: Solve for x
   x = 126,207,350.72/12,053.57
6. Step 6: Final answer
   x = 10,470.54