Finding the Fourth Proportional to 22,826.69, 34,192.86 and 13,437.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,826.69 : 34,192.86 = 13,437.78 : x
2. Step 2: Convert to fraction form
   22,826.69/34,192.86 = 13,437.78/x
3. Step 3: Cross multiply
   22,826.69x = 34,192.86 × 13,437.78
4. Step 4: Simplify right side
   22,826.69x = 459,476,130.25
5. Step 5: Solve for x
   x = 459,476,130.25/22,826.69
6. Step 6: Final answer
   x = 20,128.90