Finding the Fourth Proportional to 1,526.71, 2,105.56 and 1,173.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.71 : 2,105.56 = 1,173.49 : x
2. Step 2: Convert to fraction form
   1,526.71/2,105.56 = 1,173.49/x
3. Step 3: Cross multiply
   1,526.71x = 2,105.56 × 1,173.49
4. Step 4: Simplify right side
   1,526.71x = 2,470,844.24
5. Step 5: Solve for x
   x = 2,470,844.24/1,526.71
6. Step 6: Final answer
   x = 1,618.41