Finding the Fourth Proportional to 22,530.69, 31,092.03 and 12,458.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,530.69 : 31,092.03 = 12,458.91 : x
2. Step 2: Convert to fraction form
   22,530.69/31,092.03 = 12,458.91/x
3. Step 3: Cross multiply
   22,530.69x = 31,092.03 × 12,458.91
4. Step 4: Simplify right side
   22,530.69x = 387,372,803.49
5. Step 5: Solve for x
   x = 387,372,803.49/22,530.69
6. Step 6: Final answer
   x = 17,193.12