Finding the Fourth Proportional to 81,412.98, 112,404.74 and 50,832.63

Step by Step Solution

1. Step 1: Write the proportion equation
   81,412.98 : 112,404.74 = 50,832.63 : x
2. Step 2: Convert to fraction form
   81,412.98/112,404.74 = 50,832.63/x
3. Step 3: Cross multiply
   81,412.98x = 112,404.74 × 50,832.63
4. Step 4: Simplify right side
   81,412.98x = 5,713,828,304.50
5. Step 5: Solve for x
   x = 5,713,828,304.50/81,412.98
6. Step 6: Final answer
   x = 70,183.26