Finding the Fourth Proportional to 78,820.79, 108,772.97 and 43,011.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,820.79 : 108,772.97 = 43,011.59 : x
2. Step 2: Convert to fraction form
   78,820.79/108,772.97 = 43,011.59/x
3. Step 3: Cross multiply
   78,820.79x = 108,772.97 × 43,011.59
4. Step 4: Simplify right side
   78,820.79x = 4,678,498,388.72
5. Step 5: Solve for x
   x = 4,678,498,388.72/78,820.79
6. Step 6: Final answer
   x = 59,356.15