Finding the Fourth Proportional to 2,255.34, 3,109.52 and 1,457.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.34 : 3,109.52 = 1,457.31 : x
2. Step 2: Convert to fraction form
   2,255.34/3,109.52 = 1,457.31/x
3. Step 3: Cross multiply
   2,255.34x = 3,109.52 × 1,457.31
4. Step 4: Simplify right side
   2,255.34x = 4,531,534.59
5. Step 5: Solve for x
   x = 4,531,534.59/2,255.34
6. Step 6: Final answer
   x = 2,009.25