Finding the Fourth Proportional to 42,061.41, 63,183.74 and 25,429.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,061.41 : 63,183.74 = 25,429.28 : x
2. Step 2: Convert to fraction form
   42,061.41/63,183.74 = 25,429.28/x
3. Step 3: Cross multiply
   42,061.41x = 63,183.74 × 25,429.28
4. Step 4: Simplify right side
   42,061.41x = 1,606,716,572.84
5. Step 5: Solve for x
   x = 1,606,716,572.84/42,061.41
6. Step 6: Final answer
   x = 38,199.30