Finding the Fourth Proportional to 78,901.72, 108,882.64 and 43,091.87

Step by Step Solution

1. Step 1: Write the proportion equation
   78,901.72 : 108,882.64 = 43,091.87 : x
2. Step 2: Convert to fraction form
   78,901.72/108,882.64 = 43,091.87/x
3. Step 3: Cross multiply
   78,901.72x = 108,882.64 × 43,091.87
4. Step 4: Simplify right side
   78,901.72x = 4,691,957,056.88
5. Step 5: Solve for x
   x = 4,691,957,056.88/78,901.72
6. Step 6: Final answer
   x = 59,465.84