Finding the Fourth Proportional to 12,404.79, 18,607.48 and 3,170.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.79 : 18,607.48 = 3,170.79 : x
2. Step 2: Convert to fraction form
   12,404.79/18,607.48 = 3,170.79/x
3. Step 3: Cross multiply
   12,404.79x = 18,607.48 × 3,170.79
4. Step 4: Simplify right side
   12,404.79x = 59,000,411.51
5. Step 5: Solve for x
   x = 59,000,411.51/12,404.79
6. Step 6: Final answer
   x = 4,756.26