Finding the Fourth Proportional to 77,849.25, 107,449.46 and 50,976.15

Step by Step Solution

1. Step 1: Write the proportion equation
   77,849.25 : 107,449.46 = 50,976.15 : x
2. Step 2: Convert to fraction form
   77,849.25/107,449.46 = 50,976.15/x
3. Step 3: Cross multiply
   77,849.25x = 107,449.46 × 50,976.15
4. Step 4: Simplify right side
   77,849.25x = 5,477,359,804.12
5. Step 5: Solve for x
   x = 5,477,359,804.12/77,849.25
6. Step 6: Final answer
   x = 70,358.54