Finding the Fourth Proportional to 2,308.52, 3,185.47 and 1,457.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.52 : 3,185.47 = 1,457.45 : x
2. Step 2: Convert to fraction form
   2,308.52/3,185.47 = 1,457.45/x
3. Step 3: Cross multiply
   2,308.52x = 3,185.47 × 1,457.45
4. Step 4: Simplify right side
   2,308.52x = 4,642,667.57
5. Step 5: Solve for x
   x = 4,642,667.57/2,308.52
6. Step 6: Final answer
   x = 2,011.11