Finding the Fourth Proportional to 78,955.02, 108,947.43 and 50,698.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,955.02 : 108,947.43 = 50,698.98 : x
2. Step 2: Convert to fraction form
   78,955.02/108,947.43 = 50,698.98/x
3. Step 3: Cross multiply
   78,955.02x = 108,947.43 × 50,698.98
4. Step 4: Simplify right side
   78,955.02x = 5,523,523,574.62
5. Step 5: Solve for x
   x = 5,523,523,574.62/78,955.02
6. Step 6: Final answer
   x = 69,957.85