Finding the Fourth Proportional to 162,965.55, 224,902.85 and 91,345.59

Step by Step Solution

1. Step 1: Write the proportion equation
   162,965.55 : 224,902.85 = 91,345.59 : x
2. Step 2: Convert to fraction form
   162,965.55/224,902.85 = 91,345.59/x
3. Step 3: Cross multiply
   162,965.55x = 224,902.85 × 91,345.59
4. Step 4: Simplify right side
   162,965.55x = 20,543,882,401.42
5. Step 5: Solve for x
   x = 20,543,882,401.42/162,965.55
6. Step 6: Final answer
   x = 126,062.73