Finding the Fourth Proportional to 5,909.40, 8,870.40 and 3,575.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,909.40 : 8,870.40 = 3,575.34 : x
2. Step 2: Convert to fraction form
   5,909.40/8,870.40 = 3,575.34/x
3. Step 3: Cross multiply
   5,909.40x = 8,870.40 × 3,575.34
4. Step 4: Simplify right side
   5,909.40x = 31,714,695.94
5. Step 5: Solve for x
   x = 31,714,695.94/5,909.40
6. Step 6: Final answer
   x = 5,366.82