Finding the Fourth Proportional to 9,940.96, 13,718.52 and 5,465

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.96 : 13,718.52 = 5,465 : x
2. Step 2: Convert to fraction form
   9,940.96/13,718.52 = 5,465/x
3. Step 3: Cross multiply
   9,940.96x = 13,718.52 × 5,465
4. Step 4: Simplify right side
   9,940.96x = 74,971,711.80
5. Step 5: Solve for x
   x = 74,971,711.80/9,940.96
6. Step 6: Final answer
   x = 7,541.70