Finding the Fourth Proportional to 2,780.46, 4,168.71 and 1,135.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.46 : 4,168.71 = 1,135.62 : x
2. Step 2: Convert to fraction form
   2,780.46/4,168.71 = 1,135.62/x
3. Step 3: Cross multiply
   2,780.46x = 4,168.71 × 1,135.62
4. Step 4: Simplify right side
   2,780.46x = 4,734,070.45
5. Step 5: Solve for x
   x = 4,734,070.45/2,780.46
6. Step 6: Final answer
   x = 1,702.62