Finding the Fourth Proportional to 12,525.64, 18,791.34 and 3,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,525.64 : 18,791.34 = 3,760.72 : x
2. Step 2: Convert to fraction form
   12,525.64/18,791.34 = 3,760.72/x
3. Step 3: Cross multiply
   12,525.64x = 18,791.34 × 3,760.72
4. Step 4: Simplify right side
   12,525.64x = 70,668,968.16
5. Step 5: Solve for x
   x = 70,668,968.16/12,525.64
6. Step 6: Final answer
   x = 5,641.94