Finding the Fourth Proportional to 1,200.02, 1,798.41 and 1,057.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.02 : 1,798.41 = 1,057.46 : x
2. Step 2: Convert to fraction form
   1,200.02/1,798.41 = 1,057.46/x
3. Step 3: Cross multiply
   1,200.02x = 1,798.41 × 1,057.46
4. Step 4: Simplify right side
   1,200.02x = 1,901,746.64
5. Step 5: Solve for x
   x = 1,901,746.64/1,200.02
6. Step 6: Final answer
   x = 1,584.76