Finding the Fourth Proportional to 8,737.80, 13,111.31 and 3,807.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737.80 : 13,111.31 = 3,807.82 : x
2. Step 2: Convert to fraction form
   8,737.80/13,111.31 = 3,807.82/x
3. Step 3: Cross multiply
   8,737.80x = 13,111.31 × 3,807.82
4. Step 4: Simplify right side
   8,737.80x = 49,925,534.35
5. Step 5: Solve for x
   x = 49,925,534.35/8,737.80
6. Step 6: Final answer
   x = 5,713.74