Finding the Fourth Proportional to 10,248.68, 14,143.86 and 7,726.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248.68 : 14,143.86 = 7,726.34 : x
2. Step 2: Convert to fraction form
   10,248.68/14,143.86 = 7,726.34/x
3. Step 3: Cross multiply
   10,248.68x = 14,143.86 × 7,726.34
4. Step 4: Simplify right side
   10,248.68x = 109,280,200.55
5. Step 5: Solve for x
   x = 109,280,200.55/10,248.68
6. Step 6: Final answer
   x = 10,662.86