Finding the Fourth Proportional to 10,818.53, 14,925.57 and 7,992.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.53 : 14,925.57 = 7,992.71 : x
2. Step 2: Convert to fraction form
   10,818.53/14,925.57 = 7,992.71/x
3. Step 3: Cross multiply
   10,818.53x = 14,925.57 × 7,992.71
4. Step 4: Simplify right side
   10,818.53x = 119,295,752.59
5. Step 5: Solve for x
   x = 119,295,752.59/10,818.53
6. Step 6: Final answer
   x = 11,026.98