Finding the Fourth Proportional to 81,064.52, 111,870.90 and 50,851.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,064.52 : 111,870.90 = 50,851.10 : x
2. Step 2: Convert to fraction form
   81,064.52/111,870.90 = 50,851.10/x
3. Step 3: Cross multiply
   81,064.52x = 111,870.90 × 50,851.10
4. Step 4: Simplify right side
   81,064.52x = 5,688,758,322.99
5. Step 5: Solve for x
   x = 5,688,758,322.99/81,064.52
6. Step 6: Final answer
   x = 70,175.69