Finding the Fourth Proportional to 2,453.58, 3,384.99 and 1,520.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.58 : 3,384.99 = 1,520.46 : x
2. Step 2: Convert to fraction form
   2,453.58/3,384.99 = 1,520.46/x
3. Step 3: Cross multiply
   2,453.58x = 3,384.99 × 1,520.46
4. Step 4: Simplify right side
   2,453.58x = 5,146,741.90
5. Step 5: Solve for x
   x = 5,146,741.90/2,453.58
6. Step 6: Final answer
   x = 2,097.65