Finding the Fourth Proportional to 268,900.50, 371,068.59 and 148,018.17

Step by Step Solution

1. Step 1: Write the proportion equation
   268,900.50 : 371,068.59 = 148,018.17 : x
2. Step 2: Convert to fraction form
   268,900.50/371,068.59 = 148,018.17/x
3. Step 3: Cross multiply
   268,900.50x = 371,068.59 × 148,018.17
4. Step 4: Simplify right side
   268,900.50x = 54,924,895,061.04
5. Step 5: Solve for x
   x = 54,924,895,061.04/268,900.50
6. Step 6: Final answer
   x = 204,257.32