Finding the Fourth Proportional to 1,715.61, 2,573.57 and 483.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.61 : 2,573.57 = 483.03 : x
2. Step 2: Convert to fraction form
   1,715.61/2,573.57 = 483.03/x
3. Step 3: Cross multiply
   1,715.61x = 2,573.57 × 483.03
4. Step 4: Simplify right side
   1,715.61x = 1,243,111.52
5. Step 5: Solve for x
   x = 1,243,111.52/1,715.61
6. Step 6: Final answer
   x = 724.59