Finding the Fourth Proportional to 76,510.89, 105,605.96 and 49,651.92

Step by Step Solution

1. Step 1: Write the proportion equation
   76,510.89 : 105,605.96 = 49,651.92 : x
2. Step 2: Convert to fraction form
   76,510.89/105,605.96 = 49,651.92/x
3. Step 3: Cross multiply
   76,510.89x = 105,605.96 × 49,651.92
4. Step 4: Simplify right side
   76,510.89x = 5,243,538,429.18
5. Step 5: Solve for x
   x = 5,243,538,429.18/76,510.89
6. Step 6: Final answer
   x = 68,533.23