Finding the Fourth Proportional to 18,061.86, 24,925.73 and 10,891.74

Step by Step Solution

1. Step 1: Write the proportion equation
   18,061.86 : 24,925.73 = 10,891.74 : x
2. Step 2: Convert to fraction form
   18,061.86/24,925.73 = 10,891.74/x
3. Step 3: Cross multiply
   18,061.86x = 24,925.73 × 10,891.74
4. Step 4: Simplify right side
   18,061.86x = 271,484,670.75
5. Step 5: Solve for x
   x = 271,484,670.75/18,061.86
6. Step 6: Final answer
   x = 15,030.82