Finding the Fourth Proportional to 64,052.66, 88,429.56 and 42,571.53

Step by Step Solution

1. Step 1: Write the proportion equation
   64,052.66 : 88,429.56 = 42,571.53 : x
2. Step 2: Convert to fraction form
   64,052.66/88,429.56 = 42,571.53/x
3. Step 3: Cross multiply
   64,052.66x = 88,429.56 × 42,571.53
4. Step 4: Simplify right side
   64,052.66x = 3,764,581,506.78
5. Step 5: Solve for x
   x = 3,764,581,506.78/64,052.66
6. Step 6: Final answer
   x = 58,773.23