Finding the Fourth Proportional to 120,532.55, 166,353.33 and 76,943.93

Step by Step Solution

1. Step 1: Write the proportion equation
   120,532.55 : 166,353.33 = 76,943.93 : x
2. Step 2: Convert to fraction form
   120,532.55/166,353.33 = 76,943.93/x
3. Step 3: Cross multiply
   120,532.55x = 166,353.33 × 76,943.93
4. Step 4: Simplify right side
   120,532.55x = 12,799,878,978.79
5. Step 5: Solve for x
   x = 12,799,878,978.79/120,532.55
6. Step 6: Final answer
   x = 106,194.38