Finding the Fourth Proportional to 1,346.56, 2,021.56 and 1,038.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.56 : 2,021.56 = 1,038.62 : x
2. Step 2: Convert to fraction form
   1,346.56/2,021.56 = 1,038.62/x
3. Step 3: Cross multiply
   1,346.56x = 2,021.56 × 1,038.62
4. Step 4: Simplify right side
   1,346.56x = 2,099,635.10
5. Step 5: Solve for x
   x = 2,099,635.10/1,346.56
6. Step 6: Final answer
   x = 1,559.26