Finding the Fourth Proportional to 3,715.34, 5,575.16 and 1,408.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.34 : 5,575.16 = 1,408.46 : x
2. Step 2: Convert to fraction form
   3,715.34/5,575.16 = 1,408.46/x
3. Step 3: Cross multiply
   3,715.34x = 5,575.16 × 1,408.46
4. Step 4: Simplify right side
   3,715.34x = 7,852,365.50
5. Step 5: Solve for x
   x = 7,852,365.50/3,715.34
6. Step 6: Final answer
   x = 2,113.50