Finding the Fourth Proportional to 22,543.59, 31,109.99 and 12,607.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,543.59 : 31,109.99 = 12,607.59 : x
2. Step 2: Convert to fraction form
   22,543.59/31,109.99 = 12,607.59/x
3. Step 3: Cross multiply
   22,543.59x = 31,109.99 × 12,607.59
4. Step 4: Simplify right side
   22,543.59x = 392,221,935.79
5. Step 5: Solve for x
   x = 392,221,935.79/22,543.59
6. Step 6: Final answer
   x = 17,398.38