Finding the Fourth Proportional to 1,435.30, 2,142.49 and 1,262.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.30 : 2,142.49 = 1,262.50 : x
2. Step 2: Convert to fraction form
   1,435.30/2,142.49 = 1,262.50/x
3. Step 3: Cross multiply
   1,435.30x = 2,142.49 × 1,262.50
4. Step 4: Simplify right side
   1,435.30x = 2,704,887.31
5. Step 5: Solve for x
   x = 2,704,887.31/1,435.30
6. Step 6: Final answer
   x = 1,884.54