Finding the Fourth Proportional to 12,562.80, 18,838.86 and 3,792.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562.80 : 18,838.86 = 3,792.96 : x
2. Step 2: Convert to fraction form
   12,562.80/18,838.86 = 3,792.96/x
3. Step 3: Cross multiply
   12,562.80x = 18,838.86 × 3,792.96
4. Step 4: Simplify right side
   12,562.80x = 71,455,042.43
5. Step 5: Solve for x
   x = 71,455,042.43/12,562.80
6. Step 6: Final answer
   x = 5,687.83