Finding the Fourth Proportional to 2,111.90, 3,165.28 and 1,495.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.90 : 3,165.28 = 1,495.78 : x
2. Step 2: Convert to fraction form
   2,111.90/3,165.28 = 1,495.78/x
3. Step 3: Cross multiply
   2,111.90x = 3,165.28 × 1,495.78
4. Step 4: Simplify right side
   2,111.90x = 4,734,562.52
5. Step 5: Solve for x
   x = 4,734,562.52/2,111.90
6. Step 6: Final answer
   x = 2,241.85