Finding the Fourth Proportional to 12,904.75, 19,360.38 and 3,670.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.75 : 19,360.38 = 3,670.75 : x
2. Step 2: Convert to fraction form
   12,904.75/19,360.38 = 3,670.75/x
3. Step 3: Cross multiply
   12,904.75x = 19,360.38 × 3,670.75
4. Step 4: Simplify right side
   12,904.75x = 71,067,114.89
5. Step 5: Solve for x
   x = 71,067,114.89/12,904.75
6. Step 6: Final answer
   x = 5,507.05