Finding the Fourth Proportional to 18,103.52, 24,978.17 and 10,927.77

Step by Step Solution

1. Step 1: Write the proportion equation
   18,103.52 : 24,978.17 = 10,927.77 : x
2. Step 2: Convert to fraction form
   18,103.52/24,978.17 = 10,927.77/x
3. Step 3: Cross multiply
   18,103.52x = 24,978.17 × 10,927.77
4. Step 4: Simplify right side
   18,103.52x = 272,955,696.78
5. Step 5: Solve for x
   x = 272,955,696.78/18,103.52
6. Step 6: Final answer
   x = 15,077.49