Finding the Fourth Proportional to 162,931.50, 224,827.25 and 91,301.18

Step by Step Solution

1. Step 1: Write the proportion equation
   162,931.50 : 224,827.25 = 91,301.18 : x
2. Step 2: Convert to fraction form
   162,931.50/224,827.25 = 91,301.18/x
3. Step 3: Cross multiply
   162,931.50x = 224,827.25 × 91,301.18
4. Step 4: Simplify right side
   162,931.50x = 20,526,991,640.51
5. Step 5: Solve for x
   x = 20,526,991,640.51/162,931.50
6. Step 6: Final answer
   x = 125,985.41