Finding the Fourth Proportional to 172,233.03, 258,398.55 and 67,082.07

Step by Step Solution

1. Step 1: Write the proportion equation
   172,233.03 : 258,398.55 = 67,082.07 : x
2. Step 2: Convert to fraction form
   172,233.03/258,398.55 = 67,082.07/x
3. Step 3: Cross multiply
   172,233.03x = 258,398.55 × 67,082.07
4. Step 4: Simplify right side
   172,233.03x = 17,333,909,619.00
5. Step 5: Solve for x
   x = 17,333,909,619.00/172,233.03
6. Step 6: Final answer
   x = 100,642.19