Finding the Fourth Proportional to 1,548.47, 2,320.00 and 1,290.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.47 : 2,320.00 = 1,290.13 : x
2. Step 2: Convert to fraction form
   1,548.47/2,320.00 = 1,290.13/x
3. Step 3: Cross multiply
   1,548.47x = 2,320.00 × 1,290.13
4. Step 4: Simplify right side
   1,548.47x = 2,993,083.55
5. Step 5: Solve for x
   x = 2,993,083.55/1,548.47
6. Step 6: Final answer
   x = 1,932.93