Finding the Fourth Proportional to 1,415.52, 1,952.16 and 1,083.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.52 : 1,952.16 = 1,083.30 : x
2. Step 2: Convert to fraction form
   1,415.52/1,952.16 = 1,083.30/x
3. Step 3: Cross multiply
   1,415.52x = 1,952.16 × 1,083.30
4. Step 4: Simplify right side
   1,415.52x = 2,114,774.93
5. Step 5: Solve for x
   x = 2,114,774.93/1,415.52
6. Step 6: Final answer
   x = 1,493.99