Finding the Fourth Proportional to 147,622.10, 221,433.15 and 108,256.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,622.10 : 221,433.15 = 108,256.10 : x
2. Step 2: Convert to fraction form
   147,622.10/221,433.15 = 108,256.10/x
3. Step 3: Cross multiply
   147,622.10x = 221,433.15 × 108,256.10
4. Step 4: Simplify right side
   147,622.10x = 23,971,489,229.72
5. Step 5: Solve for x
   x = 23,971,489,229.72/147,622.10
6. Step 6: Final answer
   x = 162,384.15