Finding the Fourth Proportional to 80,881.96, 111,615.57 and 45,071.18

Step by Step Solution

1. Step 1: Write the proportion equation
   80,881.96 : 111,615.57 = 45,071.18 : x
2. Step 2: Convert to fraction form
   80,881.96/111,615.57 = 45,071.18/x
3. Step 3: Cross multiply
   80,881.96x = 111,615.57 × 45,071.18
4. Step 4: Simplify right side
   80,881.96x = 5,030,645,446.27
5. Step 5: Solve for x
   x = 5,030,645,446.27/80,881.96
6. Step 6: Final answer
   x = 62,197.38