Finding the Fourth Proportional to 78,870.86, 108,842.35 and 43,061.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,870.86 : 108,842.35 = 43,061.58 : x
2. Step 2: Convert to fraction form
   78,870.86/108,842.35 = 43,061.58/x
3. Step 3: Cross multiply
   78,870.86x = 108,842.35 × 43,061.58
4. Step 4: Simplify right side
   78,870.86x = 4,686,923,561.91
5. Step 5: Solve for x
   x = 4,686,923,561.91/78,870.86
6. Step 6: Final answer
   x = 59,425.29