Finding the Fourth Proportional to 10,497.30, 14,485.61 and 5,781.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,497.30 : 14,485.61 = 5,781.58 : x
2. Step 2: Convert to fraction form
   10,497.30/14,485.61 = 5,781.58/x
3. Step 3: Cross multiply
   10,497.30x = 14,485.61 × 5,781.58
4. Step 4: Simplify right side
   10,497.30x = 83,749,691.30
5. Step 5: Solve for x
   x = 83,749,691.30/10,497.30
6. Step 6: Final answer
   x = 7,978.22