Finding the Fourth Proportional to 42,384.35, 63,597.18 and 17,431.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384.35 : 63,597.18 = 17,431.88 : x
2. Step 2: Convert to fraction form
   42,384.35/63,597.18 = 17,431.88/x
3. Step 3: Cross multiply
   42,384.35x = 63,597.18 × 17,431.88
4. Step 4: Simplify right side
   42,384.35x = 1,108,618,410.10
5. Step 5: Solve for x
   x = 1,108,618,410.10/42,384.35
6. Step 6: Final answer
   x = 26,156.32