Finding the Fourth Proportional to 268,901.83, 371,070.43 and 148,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,901.83 : 371,070.43 = 148,019.50 : x
2. Step 2: Convert to fraction form
   268,901.83/371,070.43 = 148,019.50/x
3. Step 3: Cross multiply
   268,901.83x = 371,070.43 × 148,019.50
4. Step 4: Simplify right side
   268,901.83x = 54,925,659,513.39
5. Step 5: Solve for x
   x = 54,925,659,513.39/268,901.83
6. Step 6: Final answer
   x = 204,259.15