Finding the Fourth Proportional to 120,402.04, 166,182.42 and 80,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,402.04 : 166,182.42 = 80,117.50 : x
2. Step 2: Convert to fraction form
   120,402.04/166,182.42 = 80,117.50/x
3. Step 3: Cross multiply
   120,402.04x = 166,182.42 × 80,117.50
4. Step 4: Simplify right side
   120,402.04x = 13,314,120,034.35
5. Step 5: Solve for x
   x = 13,314,120,034.35/120,402.04
6. Step 6: Final answer
   x = 110,580.52