Finding the Fourth Proportional to 162,426.09, 224,002.06 and 105,004.89

Step by Step Solution

1. Step 1: Write the proportion equation
   162,426.09 : 224,002.06 = 105,004.89 : x
2. Step 2: Convert to fraction form
   162,426.09/224,002.06 = 105,004.89/x
3. Step 3: Cross multiply
   162,426.09x = 224,002.06 × 105,004.89
4. Step 4: Simplify right side
   162,426.09x = 23,521,311,407.56
5. Step 5: Solve for x
   x = 23,521,311,407.56/162,426.09
6. Step 6: Final answer
   x = 144,812.39