Finding the Fourth Proportional to 17,978.86, 24,811.41 and 10,022.77

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.86 : 24,811.41 = 10,022.77 : x
2. Step 2: Convert to fraction form
   17,978.86/24,811.41 = 10,022.77/x
3. Step 3: Cross multiply
   17,978.86x = 24,811.41 × 10,022.77
4. Step 4: Simplify right side
   17,978.86x = 248,679,055.81
5. Step 5: Solve for x
   x = 248,679,055.81/17,978.86
6. Step 6: Final answer
   x = 13,831.75