Finding the Fourth Proportional to 76,552.83, 105,663.69 and 49,693.77

Step by Step Solution

1. Step 1: Write the proportion equation
   76,552.83 : 105,663.69 = 49,693.77 : x
2. Step 2: Convert to fraction form
   76,552.83/105,663.69 = 49,693.77/x
3. Step 3: Cross multiply
   76,552.83x = 105,663.69 × 49,693.77
4. Step 4: Simplify right side
   76,552.83x = 5,250,827,108.21
5. Step 5: Solve for x
   x = 5,250,827,108.21/76,552.83
6. Step 6: Final answer
   x = 68,590.89