Finding the Fourth Proportional to 22,746.69, 34,126.20 and 12,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,746.69 : 34,126.20 = 12,892.88 : x
2. Step 2: Convert to fraction form
   22,746.69/34,126.20 = 12,892.88/x
3. Step 3: Cross multiply
   22,746.69x = 34,126.20 × 12,892.88
4. Step 4: Simplify right side
   22,746.69x = 439,985,001.46
5. Step 5: Solve for x
   x = 439,985,001.46/22,746.69
6. Step 6: Final answer
   x = 19,342.82