Finding the Fourth Proportional to 9,934.71, 13,708.41 and 5,458.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,934.71 : 13,708.41 = 5,458.65 : x
2. Step 2: Convert to fraction form
   9,934.71/13,708.41 = 5,458.65/x
3. Step 3: Cross multiply
   9,934.71x = 13,708.41 × 5,458.65
4. Step 4: Simplify right side
   9,934.71x = 74,829,412.25
5. Step 5: Solve for x
   x = 74,829,412.25/9,934.71
6. Step 6: Final answer
   x = 7,532.12