Finding the Fourth Proportional to 81,571.34, 112,562.02 and 49,299.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,571.34 : 112,562.02 = 49,299.42 : x
2. Step 2: Convert to fraction form
   81,571.34/112,562.02 = 49,299.42/x
3. Step 3: Cross multiply
   81,571.34x = 112,562.02 × 49,299.42
4. Step 4: Simplify right side
   81,571.34x = 5,549,242,300.03
5. Step 5: Solve for x
   x = 5,549,242,300.03/81,571.34
6. Step 6: Final answer
   x = 68,029.31