Finding the Fourth Proportional to 9,417.53, 12,996.60 and 5,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.53 : 12,996.60 = 5,641.31 : x
2. Step 2: Convert to fraction form
   9,417.53/12,996.60 = 5,641.31/x
3. Step 3: Cross multiply
   9,417.53x = 12,996.60 × 5,641.31
4. Step 4: Simplify right side
   9,417.53x = 73,317,892.61
5. Step 5: Solve for x
   x = 73,317,892.61/9,417.53
6. Step 6: Final answer
   x = 7,785.26