Finding the Fourth Proportional to 1,803.02, 2,697.78 and 1,284.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.02 : 2,697.78 = 1,284.22 : x
2. Step 2: Convert to fraction form
   1,803.02/2,697.78 = 1,284.22/x
3. Step 3: Cross multiply
   1,803.02x = 2,697.78 × 1,284.22
4. Step 4: Simplify right side
   1,803.02x = 3,464,543.03
5. Step 5: Solve for x
   x = 3,464,543.03/1,803.02
6. Step 6: Final answer
   x = 1,921.52