Finding the Fourth Proportional to 2,402.15, 3,602.69 and 1,102.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.15 : 3,602.69 = 1,102.37 : x
2. Step 2: Convert to fraction form
   2,402.15/3,602.69 = 1,102.37/x
3. Step 3: Cross multiply
   2,402.15x = 3,602.69 × 1,102.37
4. Step 4: Simplify right side
   2,402.15x = 3,971,491.86
5. Step 5: Solve for x
   x = 3,971,491.86/2,402.15
6. Step 6: Final answer
   x = 1,653.31