Finding the Fourth Proportional to 1,781.01, 2,674.76 and 1,457.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.01 : 2,674.76 = 1,457.01 : x
2. Step 2: Convert to fraction form
   1,781.01/2,674.76 = 1,457.01/x
3. Step 3: Cross multiply
   1,781.01x = 2,674.76 × 1,457.01
4. Step 4: Simplify right side
   1,781.01x = 3,897,144.78
5. Step 5: Solve for x
   x = 3,897,144.78/1,781.01
6. Step 6: Final answer
   x = 2,188.17