Finding the Fourth Proportional to 2,320.03, 3,201.42 and 1,435.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.03 : 3,201.42 = 1,435.78 : x
2. Step 2: Convert to fraction form
   2,320.03/3,201.42 = 1,435.78/x
3. Step 3: Cross multiply
   2,320.03x = 3,201.42 × 1,435.78
4. Step 4: Simplify right side
   2,320.03x = 4,596,534.81
5. Step 5: Solve for x
   x = 4,596,534.81/2,320.03
6. Step 6: Final answer
   x = 1,981.24