Finding the Fourth Proportional to 81,816.32, 112,926.56 and 50,011.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,816.32 : 112,926.56 = 50,011.88 : x
2. Step 2: Convert to fraction form
   81,816.32/112,926.56 = 50,011.88/x
3. Step 3: Cross multiply
   81,816.32x = 112,926.56 × 50,011.88
4. Step 4: Simplify right side
   81,816.32x = 5,647,669,567.53
5. Step 5: Solve for x
   x = 5,647,669,567.53/81,816.32
6. Step 6: Final answer
   x = 69,028.64