Finding the Fourth Proportional to 42,321.14, 63,502.49 and 17,019.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,321.14 : 63,502.49 = 17,019.63 : x
2. Step 2: Convert to fraction form
   42,321.14/63,502.49 = 17,019.63/x
3. Step 3: Cross multiply
   42,321.14x = 63,502.49 × 17,019.63
4. Step 4: Simplify right side
   42,321.14x = 1,080,788,679.71
5. Step 5: Solve for x
   x = 1,080,788,679.71/42,321.14
6. Step 6: Final answer
   x = 25,537.80