Finding the Fourth Proportional to 5,385.96, 8,074.62 and 3,737.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,385.96 : 8,074.62 = 3,737.61 : x
2. Step 2: Convert to fraction form
   5,385.96/8,074.62 = 3,737.61/x
3. Step 3: Cross multiply
   5,385.96x = 8,074.62 × 3,737.61
4. Step 4: Simplify right side
   5,385.96x = 30,179,780.46
5. Step 5: Solve for x
   x = 30,179,780.46/5,385.96
6. Step 6: Final answer
   x = 5,603.42