Finding the Fourth Proportional to 78,901.67, 108,886.20 and 43,091.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,901.67 : 108,886.20 = 43,091.38 : x
2. Step 2: Convert to fraction form
   78,901.67/108,886.20 = 43,091.38/x
3. Step 3: Cross multiply
   78,901.67x = 108,886.20 × 43,091.38
4. Step 4: Simplify right side
   78,901.67x = 4,692,056,076.53
5. Step 5: Solve for x
   x = 4,692,056,076.53/78,901.67
6. Step 6: Final answer
   x = 59,467.13