Finding the Fourth Proportional to 42,020.32, 63,029.19 and 17,059.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.32 : 63,029.19 = 17,059.76 : x
2. Step 2: Convert to fraction form
   42,020.32/63,029.19 = 17,059.76/x
3. Step 3: Cross multiply
   42,020.32x = 63,029.19 × 17,059.76
4. Step 4: Simplify right side
   42,020.32x = 1,075,262,854.39
5. Step 5: Solve for x
   x = 1,075,262,854.39/42,020.32
6. Step 6: Final answer
   x = 25,589.12