Finding the Fourth Proportional to 162,667.76, 224,430.34 and 91,036.40

Step by Step Solution

1. Step 1: Write the proportion equation
   162,667.76 : 224,430.34 = 91,036.40 : x
2. Step 2: Convert to fraction form
   162,667.76/224,430.34 = 91,036.40/x
3. Step 3: Cross multiply
   162,667.76x = 224,430.34 × 91,036.40
4. Step 4: Simplify right side
   162,667.76x = 20,431,330,204.38
5. Step 5: Solve for x
   x = 20,431,330,204.38/162,667.76
6. Step 6: Final answer
   x = 125,601.60