Finding the Fourth Proportional to 77,374.71, 106,823.69 and 50,562.09

Step by Step Solution

1. Step 1: Write the proportion equation
   77,374.71 : 106,823.69 = 50,562.09 : x
2. Step 2: Convert to fraction form
   77,374.71/106,823.69 = 50,562.09/x
3. Step 3: Cross multiply
   77,374.71x = 106,823.69 × 50,562.09
4. Step 4: Simplify right side
   77,374.71x = 5,401,228,775.10
5. Step 5: Solve for x
   x = 5,401,228,775.10/77,374.71
6. Step 6: Final answer
   x = 69,806.13