Finding the Fourth Proportional to 1,542.52, 2,303.59 and 1,320.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542.52 : 2,303.59 = 1,320.82 : x
2. Step 2: Convert to fraction form
   1,542.52/2,303.59 = 1,320.82/x
3. Step 3: Cross multiply
   1,542.52x = 2,303.59 × 1,320.82
4. Step 4: Simplify right side
   1,542.52x = 3,042,631.05
5. Step 5: Solve for x
   x = 3,042,631.05/1,542.52
6. Step 6: Final answer
   x = 1,972.51