Finding the Fourth Proportional to 22,554.77, 31,124.45 and 12,345.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,554.77 : 31,124.45 = 12,345.53 : x
2. Step 2: Convert to fraction form
   22,554.77/31,124.45 = 12,345.53/x
3. Step 3: Cross multiply
   22,554.77x = 31,124.45 × 12,345.53
4. Step 4: Simplify right side
   22,554.77x = 384,247,613.86
5. Step 5: Solve for x
   x = 384,247,613.86/22,554.77
6. Step 6: Final answer
   x = 17,036.21