Finding the Fourth Proportional to 89,800.83, 134,947.88 and 83,949.93

Step by Step Solution

1. Step 1: Write the proportion equation
   89,800.83 : 134,947.88 = 83,949.93 : x
2. Step 2: Convert to fraction form
   89,800.83/134,947.88 = 83,949.93/x
3. Step 3: Cross multiply
   89,800.83x = 134,947.88 × 83,949.93
4. Step 4: Simplify right side
   89,800.83x = 11,328,864,659.90
5. Step 5: Solve for x
   x = 11,328,864,659.90/89,800.83
6. Step 6: Final answer
   x = 126,155.46