Finding the Fourth Proportional to 379,100.56, 522,535.02 and 268,755.88

Step by Step Solution

1. Step 1: Write the proportion equation
   379,100.56 : 522,535.02 = 268,755.88 : x
2. Step 2: Convert to fraction form
   379,100.56/522,535.02 = 268,755.88/x
3. Step 3: Cross multiply
   379,100.56x = 522,535.02 × 268,755.88
4. Step 4: Simplify right side
   379,100.56x = 140,434,359,130.92
5. Step 5: Solve for x
   x = 140,434,359,130.92/379,100.56
6. Step 6: Final answer
   x = 370,440.92