Finding the Fourth Proportional to 76,622.36, 105,678.91 and 49,773.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,622.36 : 105,678.91 = 49,773.52 : x
2. Step 2: Convert to fraction form
   76,622.36/105,678.91 = 49,773.52/x
3. Step 3: Cross multiply
   76,622.36x = 105,678.91 × 49,773.52
4. Step 4: Simplify right side
   76,622.36x = 5,260,011,534.78
5. Step 5: Solve for x
   x = 5,260,011,534.78/76,622.36
6. Step 6: Final answer
   x = 68,648.52