Finding the Fourth Proportional to 5,003.70, 7,505.61 and 1,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.70 : 7,505.61 = 1,716.72 : x
2. Step 2: Convert to fraction form
   5,003.70/7,505.61 = 1,716.72/x
3. Step 3: Cross multiply
   5,003.70x = 7,505.61 × 1,716.72
4. Step 4: Simplify right side
   5,003.70x = 12,885,030.80
5. Step 5: Solve for x
   x = 12,885,030.80/5,003.70
6. Step 6: Final answer
   x = 2,575.10