Finding the Fourth Proportional to 10,281.16, 15,419.43 and 4,729.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,281.16 : 15,419.43 = 4,729.17 : x
2. Step 2: Convert to fraction form
   10,281.16/15,419.43 = 4,729.17/x
3. Step 3: Cross multiply
   10,281.16x = 15,419.43 × 4,729.17
4. Step 4: Simplify right side
   10,281.16x = 72,921,105.77
5. Step 5: Solve for x
   x = 72,921,105.77/10,281.16
6. Step 6: Final answer
   x = 7,092.69