Finding the Fourth Proportional to 99,571.55, 137,459.53 and 67,475.73

Step by Step Solution

1. Step 1: Write the proportion equation
   99,571.55 : 137,459.53 = 67,475.73 : x
2. Step 2: Convert to fraction form
   99,571.55/137,459.53 = 67,475.73/x
3. Step 3: Cross multiply
   99,571.55x = 137,459.53 × 67,475.73
4. Step 4: Simplify right side
   99,571.55x = 9,275,182,222.82
5. Step 5: Solve for x
   x = 9,275,182,222.82/99,571.55
6. Step 6: Final answer
   x = 93,150.93