Finding the Fourth Proportional to 77,039.94, 115,510.04 and 50,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,039.94 : 115,510.04 = 50,664.72 : x
2. Step 2: Convert to fraction form
   77,039.94/115,510.04 = 50,664.72/x
3. Step 3: Cross multiply
   77,039.94x = 115,510.04 × 50,664.72
4. Step 4: Simplify right side
   77,039.94x = 5,852,283,833.79
5. Step 5: Solve for x
   x = 5,852,283,833.79/77,039.94
6. Step 6: Final answer
   x = 75,964.28