Finding the Fourth Proportional to 76,653.76, 105,722.17 and 49,805.00

Step by Step Solution

1. Step 1: Write the proportion equation
   76,653.76 : 105,722.17 = 49,805.00 : x
2. Step 2: Convert to fraction form
   76,653.76/105,722.17 = 49,805.00/x
3. Step 3: Cross multiply
   76,653.76x = 105,722.17 × 49,805.00
4. Step 4: Simplify right side
   76,653.76x = 5,265,492,023.73
5. Step 5: Solve for x
   x = 5,265,492,023.73/76,653.76
6. Step 6: Final answer
   x = 68,691.90