Finding the Fourth Proportional to 171,084.78, 236,105.97 and 103,123.35

Step by Step Solution

1. Step 1: Write the proportion equation
   171,084.78 : 236,105.97 = 103,123.35 : x
2. Step 2: Convert to fraction form
   171,084.78/236,105.97 = 103,123.35/x
3. Step 3: Cross multiply
   171,084.78x = 236,105.97 × 103,123.35
4. Step 4: Simplify right side
   171,084.78x = 24,348,038,581.40
5. Step 5: Solve for x
   x = 24,348,038,581.40/171,084.78
6. Step 6: Final answer
   x = 142,315.63