Finding the Fourth Proportional to 22,659.93, 31,269.69 and 12,589.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,659.93 : 31,269.69 = 12,589.02 : x
2. Step 2: Convert to fraction form
   22,659.93/31,269.69 = 12,589.02/x
3. Step 3: Cross multiply
   22,659.93x = 31,269.69 × 12,589.02
4. Step 4: Simplify right side
   22,659.93x = 393,654,752.80
5. Step 5: Solve for x
   x = 393,654,752.80/22,659.93
6. Step 6: Final answer
   x = 17,372.28