Finding the Fourth Proportional to 2,783.63, 4,175.55 and 934.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.63 : 4,175.55 = 934.81 : x
2. Step 2: Convert to fraction form
   2,783.63/4,175.55 = 934.81/x
3. Step 3: Cross multiply
   2,783.63x = 4,175.55 × 934.81
4. Step 4: Simplify right side
   2,783.63x = 3,903,335.46
5. Step 5: Solve for x
   x = 3,903,335.46/2,783.63
6. Step 6: Final answer
   x = 1,402.25