Finding the Fourth Proportional to 268,281, 370,227.78 and 155,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   268,281 : 370,227.78 = 155,111.04 : x
2. Step 2: Convert to fraction form
   268,281/370,227.78 = 155,111.04/x
3. Step 3: Cross multiply
   268,281x = 370,227.78 × 155,111.04
4. Step 4: Simplify right side
   268,281x = 57,426,415,992.69
5. Step 5: Solve for x
   x = 57,426,415,992.69/268,281
6. Step 6: Final answer
   x = 214,053.24