Finding the Fourth Proportional to 6,437.47, 9,650.71 and 6,131.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,437.47 : 9,650.71 = 6,131.29 : x
2. Step 2: Convert to fraction form
   6,437.47/9,650.71 = 6,131.29/x
3. Step 3: Cross multiply
   6,437.47x = 9,650.71 × 6,131.29
4. Step 4: Simplify right side
   6,437.47x = 59,171,301.72
5. Step 5: Solve for x
   x = 59,171,301.72/6,437.47
6. Step 6: Final answer
   x = 9,191.70