Finding the Fourth Proportional to 151,815.42, 209,456.55 and 84,734.46

Step by Step Solution

1. Step 1: Write the proportion equation
   151,815.42 : 209,456.55 = 84,734.46 : x
2. Step 2: Convert to fraction form
   151,815.42/209,456.55 = 84,734.46/x
3. Step 3: Cross multiply
   151,815.42x = 209,456.55 × 84,734.46
4. Step 4: Simplify right side
   151,815.42x = 17,748,187,657.71
5. Step 5: Solve for x
   x = 17,748,187,657.71/151,815.42
6. Step 6: Final answer
   x = 116,906.36