Finding the Fourth Proportional to 9,934.47, 13,709.61 and 5,458.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,934.47 : 13,709.61 = 5,458.32 : x
2. Step 2: Convert to fraction form
   9,934.47/13,709.61 = 5,458.32/x
3. Step 3: Cross multiply
   9,934.47x = 13,709.61 × 5,458.32
4. Step 4: Simplify right side
   9,934.47x = 74,831,438.46
5. Step 5: Solve for x
   x = 74,831,438.46/9,934.47
6. Step 6: Final answer
   x = 7,532.50