Finding the Fourth Proportional to 22,549.86, 31,118.22 and 12,477.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,549.86 : 31,118.22 = 12,477.96 : x
2. Step 2: Convert to fraction form
   22,549.86/31,118.22 = 12,477.96/x
3. Step 3: Cross multiply
   22,549.86x = 31,118.22 × 12,477.96
4. Step 4: Simplify right side
   22,549.86x = 388,291,904.43
5. Step 5: Solve for x
   x = 388,291,904.43/22,549.86
6. Step 6: Final answer
   x = 17,219.26