Finding the Fourth Proportional to 6,350.72, 8,761.30 and 3,992.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,350.72 : 8,761.30 = 3,992.00 : x
2. Step 2: Convert to fraction form
   6,350.72/8,761.30 = 3,992.00/x
3. Step 3: Cross multiply
   6,350.72x = 8,761.30 × 3,992.00
4. Step 4: Simplify right side
   6,350.72x = 34,975,055.81
5. Step 5: Solve for x
   x = 34,975,055.81/6,350.72
6. Step 6: Final answer
   x = 5,507.26