Finding the Fourth Proportional to 6,090.32, 8,399.56 and 3,731.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,090.32 : 8,399.56 = 3,731.60 : x
2. Step 2: Convert to fraction form
   6,090.32/8,399.56 = 3,731.60/x
3. Step 3: Cross multiply
   6,090.32x = 8,399.56 × 3,731.60
4. Step 4: Simplify right side
   6,090.32x = 31,343,798.10
5. Step 5: Solve for x
   x = 31,343,798.10/6,090.32
6. Step 6: Final answer
   x = 5,146.49