Finding the Fourth Proportional to 108,092, 162,138.72 and 34,220

Step by Step Solution

1. Step 1: Write the proportion equation
   108,092 : 162,138.72 = 34,220 : x
2. Step 2: Convert to fraction form
   108,092/162,138.72 = 34,220/x
3. Step 3: Cross multiply
   108,092x = 162,138.72 × 34,220
4. Step 4: Simplify right side
   108,092x = 5,548,386,998.40
5. Step 5: Solve for x
   x = 5,548,386,998.40/108,092
6. Step 6: Final answer
   x = 51,330.23