Finding the Fourth Proportional to 120,350.02, 166,030.74 and 72,576.82

Step by Step Solution

1. Step 1: Write the proportion equation
   120,350.02 : 166,030.74 = 72,576.82 : x
2. Step 2: Convert to fraction form
   120,350.02/166,030.74 = 72,576.82/x
3. Step 3: Cross multiply
   120,350.02x = 166,030.74 × 72,576.82
4. Step 4: Simplify right side
   120,350.02x = 12,049,983,131.45
5. Step 5: Solve for x
   x = 12,049,983,131.45/120,350.02
6. Step 6: Final answer
   x = 100,124.48