Finding the Fourth Proportional to 10,917.18, 15,045.72 and 7,927.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,917.18 : 15,045.72 = 7,927.82 : x
2. Step 2: Convert to fraction form
   10,917.18/15,045.72 = 7,927.82/x
3. Step 3: Cross multiply
   10,917.18x = 15,045.72 × 7,927.82
4. Step 4: Simplify right side
   10,917.18x = 119,279,862.92
5. Step 5: Solve for x
   x = 119,279,862.92/10,917.18
6. Step 6: Final answer
   x = 10,925.89