Finding the Fourth Proportional to 78,911.10, 108,897.31 and 43,101.19

Step by Step Solution

1. Step 1: Write the proportion equation
   78,911.10 : 108,897.31 = 43,101.19 : x
2. Step 2: Convert to fraction form
   78,911.10/108,897.31 = 43,101.19/x
3. Step 3: Cross multiply
   78,911.10x = 108,897.31 × 43,101.19
4. Step 4: Simplify right side
   78,911.10x = 4,693,603,648.80
5. Step 5: Solve for x
   x = 4,693,603,648.80/78,911.10
6. Step 6: Final answer
   x = 59,479.64