Finding the Fourth Proportional to 268,900.83, 371,069.06 and 148,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,900.83 : 371,069.06 = 148,018.50 : x
2. Step 2: Convert to fraction form
   268,900.83/371,069.06 = 148,018.50/x
3. Step 3: Cross multiply
   268,900.83x = 371,069.06 × 148,018.50
4. Step 4: Simplify right side
   268,900.83x = 54,925,084,917.52
5. Step 5: Solve for x
   x = 54,925,084,917.52/268,900.83
6. Step 6: Final answer
   x = 204,257.78