Finding the Fourth Proportional to 12,292.03, 18,434.04 and 3,970.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,292.03 : 18,434.04 = 3,970.09 : x
2. Step 2: Convert to fraction form
   12,292.03/18,434.04 = 3,970.09/x
3. Step 3: Cross multiply
   12,292.03x = 18,434.04 × 3,970.09
4. Step 4: Simplify right side
   12,292.03x = 73,184,797.86
5. Step 5: Solve for x
   x = 73,184,797.86/12,292.03
6. Step 6: Final answer
   x = 5,953.84