Finding the Fourth Proportional to 260,083.34, 390,237.69 and 91,723.97

Step by Step Solution

1. Step 1: Write the proportion equation
   260,083.34 : 390,237.69 = 91,723.97 : x
2. Step 2: Convert to fraction form
   260,083.34/390,237.69 = 91,723.97/x
3. Step 3: Cross multiply
   260,083.34x = 390,237.69 × 91,723.97
4. Step 4: Simplify right side
   260,083.34x = 35,794,150,170.43
5. Step 5: Solve for x
   x = 35,794,150,170.43/260,083.34
6. Step 6: Final answer
   x = 137,625.69