Finding the Fourth Proportional to 42,515.56, 63,760.38 and 34,175.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,515.56 : 63,760.38 = 34,175.80 : x
2. Step 2: Convert to fraction form
   42,515.56/63,760.38 = 34,175.80/x
3. Step 3: Cross multiply
   42,515.56x = 63,760.38 × 34,175.80
4. Step 4: Simplify right side
   42,515.56x = 2,179,061,994.80
5. Step 5: Solve for x
   x = 2,179,061,994.80/42,515.56
6. Step 6: Final answer
   x = 51,253.28