Finding the Fourth Proportional to 112,799.07, 155,662.71 and 67,478.96

Step by Step Solution

1. Step 1: Write the proportion equation
   112,799.07 : 155,662.71 = 67,478.96 : x
2. Step 2: Convert to fraction form
   112,799.07/155,662.71 = 67,478.96/x
3. Step 3: Cross multiply
   112,799.07x = 155,662.71 × 67,478.96
4. Step 4: Simplify right side
   112,799.07x = 10,503,957,003.27
5. Step 5: Solve for x
   x = 10,503,957,003.27/112,799.07
6. Step 6: Final answer
   x = 93,120.95