Finding the Fourth Proportional to 9,941.31, 13,719.38 and 5,465.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,941.31 : 13,719.38 = 5,465.43 : x
2. Step 2: Convert to fraction form
   9,941.31/13,719.38 = 5,465.43/x
3. Step 3: Cross multiply
   9,941.31x = 13,719.38 × 5,465.43
4. Step 4: Simplify right side
   9,941.31x = 74,982,283.71
5. Step 5: Solve for x
   x = 74,982,283.71/9,941.31
6. Step 6: Final answer
   x = 7,542.50