Finding the Fourth Proportional to 78,871.68, 108,845.51 and 43,064.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,871.68 : 108,845.51 = 43,064.42 : x
2. Step 2: Convert to fraction form
   78,871.68/108,845.51 = 43,064.42/x
3. Step 3: Cross multiply
   78,871.68x = 108,845.51 × 43,064.42
4. Step 4: Simplify right side
   78,871.68x = 4,687,367,998.20
5. Step 5: Solve for x
   x = 4,687,367,998.20/78,871.68
6. Step 6: Final answer
   x = 59,430.30