Finding the Fourth Proportional to 5,521.89, 7,618.90 and 3,732.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,521.89 : 7,618.90 = 3,732.70 : x
2. Step 2: Convert to fraction form
   5,521.89/7,618.90 = 3,732.70/x
3. Step 3: Cross multiply
   5,521.89x = 7,618.90 × 3,732.70
4. Step 4: Simplify right side
   5,521.89x = 28,439,068.03
5. Step 5: Solve for x
   x = 28,439,068.03/5,521.89
6. Step 6: Final answer
   x = 5,150.24