Finding the Fourth Proportional to 107,104.95, 160,503.83 and 78,804.15

Step by Step Solution

1. Step 1: Write the proportion equation
   107,104.95 : 160,503.83 = 78,804.15 : x
2. Step 2: Convert to fraction form
   107,104.95/160,503.83 = 78,804.15/x
3. Step 3: Cross multiply
   107,104.95x = 160,503.83 × 78,804.15
4. Step 4: Simplify right side
   107,104.95x = 12,648,367,500.87
5. Step 5: Solve for x
   x = 12,648,367,500.87/107,104.95
6. Step 6: Final answer
   x = 118,093.21