Finding the Fourth Proportional to 42,028.29, 63,045 and 13,568.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.29 : 63,045 = 13,568.13 : x
2. Step 2: Convert to fraction form
   42,028.29/63,045 = 13,568.13/x
3. Step 3: Cross multiply
   42,028.29x = 63,045 × 13,568.13
4. Step 4: Simplify right side
   42,028.29x = 855,402,755.85
5. Step 5: Solve for x
   x = 855,402,755.85/42,028.29
6. Step 6: Final answer
   x = 20,353.02