Finding the Fourth Proportional to 42,426.61, 63,666.71 and 23,718.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,426.61 : 63,666.71 = 23,718.92 : x
2. Step 2: Convert to fraction form
   42,426.61/63,666.71 = 23,718.92/x
3. Step 3: Cross multiply
   42,426.61x = 63,666.71 × 23,718.92
4. Step 4: Simplify right side
   42,426.61x = 1,510,105,601.15
5. Step 5: Solve for x
   x = 1,510,105,601.15/42,426.61
6. Step 6: Final answer
   x = 35,593.36