Finding the Fourth Proportional to 42,373.76, 63,510.56 and 17,398.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,373.76 : 63,510.56 = 17,398.40 : x
2. Step 2: Convert to fraction form
   42,373.76/63,510.56 = 17,398.40/x
3. Step 3: Cross multiply
   42,373.76x = 63,510.56 × 17,398.40
4. Step 4: Simplify right side
   42,373.76x = 1,104,982,127.10
5. Step 5: Solve for x
   x = 1,104,982,127.10/42,373.76
6. Step 6: Final answer
   x = 26,077.04