Finding the Fourth Proportional to 77,976.17, 107,604.69 and 43,984.15

Step by Step Solution

1. Step 1: Write the proportion equation
   77,976.17 : 107,604.69 = 43,984.15 : x
2. Step 2: Convert to fraction form
   77,976.17/107,604.69 = 43,984.15/x
3. Step 3: Cross multiply
   77,976.17x = 107,604.69 × 43,984.15
4. Step 4: Simplify right side
   77,976.17x = 4,732,900,391.71
5. Step 5: Solve for x
   x = 4,732,900,391.71/77,976.17
6. Step 6: Final answer
   x = 60,696.75