Finding the Fourth Proportional to 8,507.34, 12,748.02 and 3,574.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507.34 : 12,748.02 = 3,574.29 : x
2. Step 2: Convert to fraction form
   8,507.34/12,748.02 = 3,574.29/x
3. Step 3: Cross multiply
   8,507.34x = 12,748.02 × 3,574.29
4. Step 4: Simplify right side
   8,507.34x = 45,565,056.67
5. Step 5: Solve for x
   x = 45,565,056.67/8,507.34
6. Step 6: Final answer
   x = 5,355.97