Finding the Fourth Proportional to 5,731.61, 7,900.18 and 4,050.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,731.61 : 7,900.18 = 4,050.86 : x
2. Step 2: Convert to fraction form
   5,731.61/7,900.18 = 4,050.86/x
3. Step 3: Cross multiply
   5,731.61x = 7,900.18 × 4,050.86
4. Step 4: Simplify right side
   5,731.61x = 32,002,540.75
5. Step 5: Solve for x
   x = 32,002,540.75/5,731.61
6. Step 6: Final answer
   x = 5,583.52