Finding the Fourth Proportional to 78,950.10, 109,023.89 and 50,704.99

Step by Step Solution

1. Step 1: Write the proportion equation
   78,950.10 : 109,023.89 = 50,704.99 : x
2. Step 2: Convert to fraction form
   78,950.10/109,023.89 = 50,704.99/x
3. Step 3: Cross multiply
   78,950.10x = 109,023.89 × 50,704.99
4. Step 4: Simplify right side
   78,950.10x = 5,528,055,252.21
5. Step 5: Solve for x
   x = 5,528,055,252.21/78,950.10
6. Step 6: Final answer
   x = 70,019.61