Finding the Fourth Proportional to 162,728.78, 224,564.24 and 91,110.00

Step by Step Solution

1. Step 1: Write the proportion equation
   162,728.78 : 224,564.24 = 91,110.00 : x
2. Step 2: Convert to fraction form
   162,728.78/224,564.24 = 91,110.00/x
3. Step 3: Cross multiply
   162,728.78x = 224,564.24 × 91,110.00
4. Step 4: Simplify right side
   162,728.78x = 20,460,046,950.40
5. Step 5: Solve for x
   x = 20,460,046,950.40/162,728.78
6. Step 6: Final answer
   x = 125,730.97