Finding the Fourth Proportional to 2,402.02, 3,602.22 and 1,102.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.02 : 3,602.22 = 1,102.78 : x
2. Step 2: Convert to fraction form
   2,402.02/3,602.22 = 1,102.78/x
3. Step 3: Cross multiply
   2,402.02x = 3,602.22 × 1,102.78
4. Step 4: Simplify right side
   2,402.02x = 3,972,456.17
5. Step 5: Solve for x
   x = 3,972,456.17/2,402.02
6. Step 6: Final answer
   x = 1,653.80