Finding the Fourth Proportional to 114,613.96, 172,019.34 and 64,743.04

Step by Step Solution

1. Step 1: Write the proportion equation
   114,613.96 : 172,019.34 = 64,743.04 : x
2. Step 2: Convert to fraction form
   114,613.96/172,019.34 = 64,743.04/x
3. Step 3: Cross multiply
   114,613.96x = 172,019.34 × 64,743.04
4. Step 4: Simplify right side
   114,613.96x = 11,137,055,010.39
5. Step 5: Solve for x
   x = 11,137,055,010.39/114,613.96
6. Step 6: Final answer
   x = 97,170.14