Finding the Fourth Proportional to 1,374.32, 1,896.56 and 1,059.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.32 : 1,896.56 = 1,059.02 : x
2. Step 2: Convert to fraction form
   1,374.32/1,896.56 = 1,059.02/x
3. Step 3: Cross multiply
   1,374.32x = 1,896.56 × 1,059.02
4. Step 4: Simplify right side
   1,374.32x = 2,008,507.90
5. Step 5: Solve for x
   x = 2,008,507.90/1,374.32
6. Step 6: Final answer
   x = 1,461.46