Finding the Fourth Proportional to 2,784.86, 4,175.20 and 934.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.86 : 4,175.20 = 934.88 : x
2. Step 2: Convert to fraction form
   2,784.86/4,175.20 = 934.88/x
3. Step 3: Cross multiply
   2,784.86x = 4,175.20 × 934.88
4. Step 4: Simplify right side
   2,784.86x = 3,903,310.98
5. Step 5: Solve for x
   x = 3,903,310.98/2,784.86
6. Step 6: Final answer
   x = 1,401.62