Finding the Fourth Proportional to 6,012.47, 9,023.35 and 3,931.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,012.47 : 9,023.35 = 3,931.91 : x
2. Step 2: Convert to fraction form
   6,012.47/9,023.35 = 3,931.91/x
3. Step 3: Cross multiply
   6,012.47x = 9,023.35 × 3,931.91
4. Step 4: Simplify right side
   6,012.47x = 35,479,000.10
5. Step 5: Solve for x
   x = 35,479,000.10/6,012.47
6. Step 6: Final answer
   x = 5,900.90