Finding the Fourth Proportional to 88,072.93, 120,793.34 and 84,456.15

Step by Step Solution

1. Step 1: Write the proportion equation
   88,072.93 : 120,793.34 = 84,456.15 : x
2. Step 2: Convert to fraction form
   88,072.93/120,793.34 = 84,456.15/x
3. Step 3: Cross multiply
   88,072.93x = 120,793.34 × 84,456.15
4. Step 4: Simplify right side
   88,072.93x = 10,201,740,442.04
5. Step 5: Solve for x
   x = 10,201,740,442.04/88,072.93
6. Step 6: Final answer
   x = 115,832.87