Finding the Fourth Proportional to 22,749.51, 34,124.37 and 12,426.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,749.51 : 34,124.37 = 12,426.87 : x
2. Step 2: Convert to fraction form
   22,749.51/34,124.37 = 12,426.87/x
3. Step 3: Cross multiply
   22,749.51x = 34,124.37 × 12,426.87
4. Step 4: Simplify right side
   22,749.51x = 424,059,109.82
5. Step 5: Solve for x
   x = 424,059,109.82/22,749.51
6. Step 6: Final answer
   x = 18,640.36