Finding the Fourth Proportional to 5,003.89, 7,505.35 and 1,717.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.89 : 7,505.35 = 1,717.31 : x
2. Step 2: Convert to fraction form
   5,003.89/7,505.35 = 1,717.31/x
3. Step 3: Cross multiply
   5,003.89x = 7,505.35 × 1,717.31
4. Step 4: Simplify right side
   5,003.89x = 12,889,012.61
5. Step 5: Solve for x
   x = 12,889,012.61/5,003.89
6. Step 6: Final answer
   x = 2,575.80