Finding the Fourth Proportional to 81,496.35, 122,279.61 and 44,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,496.35 : 122,279.61 = 44,082.72 : x
2. Step 2: Convert to fraction form
   81,496.35/122,279.61 = 44,082.72/x
3. Step 3: Cross multiply
   81,496.35x = 122,279.61 × 44,082.72
4. Step 4: Simplify right side
   81,496.35x = 5,390,417,809.34
5. Step 5: Solve for x
   x = 5,390,417,809.34/81,496.35
6. Step 6: Final answer
   x = 66,143.06