Finding the Fourth Proportional to 2,113.63, 3,164.94 and 1,457.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.63 : 3,164.94 = 1,457.53 : x
2. Step 2: Convert to fraction form
   2,113.63/3,164.94 = 1,457.53/x
3. Step 3: Cross multiply
   2,113.63x = 3,164.94 × 1,457.53
4. Step 4: Simplify right side
   2,113.63x = 4,612,987.09
5. Step 5: Solve for x
   x = 4,612,987.09/2,113.63
6. Step 6: Final answer
   x = 2,182.50