Finding the Fourth Proportional to 151,818.52, 209,508.78 and 84,750.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,818.52 : 209,508.78 = 84,750.52 : x
2. Step 2: Convert to fraction form
   151,818.52/209,508.78 = 84,750.52/x
3. Step 3: Cross multiply
   151,818.52x = 209,508.78 × 84,750.52
4. Step 4: Simplify right side
   151,818.52x = 17,755,978,049.57
5. Step 5: Solve for x
   x = 17,755,978,049.57/151,818.52
6. Step 6: Final answer
   x = 116,955.28