Finding the Fourth Proportional to 42,955.92, 64,443.24 and 17,655.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,955.92 : 64,443.24 = 17,655.62 : x
2. Step 2: Convert to fraction form
   42,955.92/64,443.24 = 17,655.62/x
3. Step 3: Cross multiply
   42,955.92x = 64,443.24 × 17,655.62
4. Step 4: Simplify right side
   42,955.92x = 1,137,785,034.79
5. Step 5: Solve for x
   x = 1,137,785,034.79/42,955.92
6. Step 6: Final answer
   x = 26,487.27