Finding the Fourth Proportional to 10,498.17, 14,487.64 and 5,718.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498.17 : 14,487.64 = 5,718.34 : x
2. Step 2: Convert to fraction form
   10,498.17/14,487.64 = 5,718.34/x
3. Step 3: Cross multiply
   10,498.17x = 14,487.64 × 5,718.34
4. Step 4: Simplify right side
   10,498.17x = 82,845,209.02
5. Step 5: Solve for x
   x = 82,845,209.02/10,498.17
6. Step 6: Final answer
   x = 7,891.39