Finding the Fourth Proportional to 2,795.20, 4,190.32 and 1,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,795.20 : 4,190.32 = 1,406.72 : x
2. Step 2: Convert to fraction form
   2,795.20/4,190.32 = 1,406.72/x
3. Step 3: Cross multiply
   2,795.20x = 4,190.32 × 1,406.72
4. Step 4: Simplify right side
   2,795.20x = 5,894,606.95
5. Step 5: Solve for x
   x = 5,894,606.95/2,795.20
6. Step 6: Final answer
   x = 2,108.83