Finding the Fourth Proportional to 65,171.22, 97,591.38 and 54,613.47

Step by Step Solution

1. Step 1: Write the proportion equation
   65,171.22 : 97,591.38 = 54,613.47 : x
2. Step 2: Convert to fraction form
   65,171.22/97,591.38 = 54,613.47/x
3. Step 3: Cross multiply
   65,171.22x = 97,591.38 × 54,613.47
4. Step 4: Simplify right side
   65,171.22x = 5,329,803,903.89
5. Step 5: Solve for x
   x = 5,329,803,903.89/65,171.22
6. Step 6: Final answer
   x = 81,781.56