Finding the Fourth Proportional to 1,521.75, 2,101.30 and 1,026.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.75 : 2,101.30 = 1,026.03 : x
2. Step 2: Convert to fraction form
   1,521.75/2,101.30 = 1,026.03/x
3. Step 3: Cross multiply
   1,521.75x = 2,101.30 × 1,026.03
4. Step 4: Simplify right side
   1,521.75x = 2,155,996.84
5. Step 5: Solve for x
   x = 2,155,996.84/1,521.75
6. Step 6: Final answer
   x = 1,416.79