Finding the Fourth Proportional to 92,697, 137,853.05 and 89,744.52

Step by Step Solution

1. Step 1: Write the proportion equation
   92,697 : 137,853.05 = 89,744.52 : x
2. Step 2: Convert to fraction form
   92,697/137,853.05 = 89,744.52/x
3. Step 3: Cross multiply
   92,697x = 137,853.05 × 89,744.52
4. Step 4: Simplify right side
   92,697x = 12,371,555,354.06
5. Step 5: Solve for x
   x = 12,371,555,354.06/92,697
6. Step 6: Final answer
   x = 133,462.31