Finding the Fourth Proportional to 78,873.57, 108,848.09 and 43,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,873.57 : 108,848.09 = 43,066.31 : x
2. Step 2: Convert to fraction form
   78,873.57/108,848.09 = 43,066.31/x
3. Step 3: Cross multiply
   78,873.57x = 108,848.09 × 43,066.31
4. Step 4: Simplify right side
   78,873.57x = 4,687,685,150.27
5. Step 5: Solve for x
   x = 4,687,685,150.27/78,873.57
6. Step 6: Final answer
   x = 59,432.90