Finding the Fourth Proportional to 1,401.24, 2,097.80 and 1,056.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.24 : 2,097.80 = 1,056.03 : x
2. Step 2: Convert to fraction form
   1,401.24/2,097.80 = 1,056.03/x
3. Step 3: Cross multiply
   1,401.24x = 2,097.80 × 1,056.03
4. Step 4: Simplify right side
   1,401.24x = 2,215,339.73
5. Step 5: Solve for x
   x = 2,215,339.73/1,401.24
6. Step 6: Final answer
   x = 1,580.99