Finding the Fourth Proportional to 78,897.38, 108,878.55 and 43,088.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,897.38 : 108,878.55 = 43,088.18 : x
2. Step 2: Convert to fraction form
   78,897.38/108,878.55 = 43,088.18/x
3. Step 3: Cross multiply
   78,897.38x = 108,878.55 × 43,088.18
4. Step 4: Simplify right side
   78,897.38x = 4,691,378,560.54
5. Step 5: Solve for x
   x = 4,691,378,560.54/78,897.38
6. Step 6: Final answer
   x = 59,461.78