Finding the Fourth Proportional to 152,118, 209,932.56 and 85,050

Step by Step Solution

1. Step 1: Write the proportion equation
   152,118 : 209,932.56 = 85,050 : x
2. Step 2: Convert to fraction form
   152,118/209,932.56 = 85,050/x
3. Step 3: Cross multiply
   152,118x = 209,932.56 × 85,050
4. Step 4: Simplify right side
   152,118x = 17,854,764,228
5. Step 5: Solve for x
   x = 17,854,764,228/152,118
6. Step 6: Final answer
   x = 117,374.43