Finding the Fourth Proportional to 78,764.83, 108,634.03 and 50,473.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,764.83 : 108,634.03 = 50,473.15 : x
2. Step 2: Convert to fraction form
   78,764.83/108,634.03 = 50,473.15/x
3. Step 3: Cross multiply
   78,764.83x = 108,634.03 × 50,473.15
4. Step 4: Simplify right side
   78,764.83x = 5,483,101,691.29
5. Step 5: Solve for x
   x = 5,483,101,691.29/78,764.83
6. Step 6: Final answer
   x = 69,613.58