Finding the Fourth Proportional to 12,966.47, 19,452.59 and 3,731.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966.47 : 19,452.59 = 3,731.75 : x
2. Step 2: Convert to fraction form
   12,966.47/19,452.59 = 3,731.75/x
3. Step 3: Cross multiply
   12,966.47x = 19,452.59 × 3,731.75
4. Step 4: Simplify right side
   12,966.47x = 72,592,184.07
5. Step 5: Solve for x
   x = 72,592,184.07/12,966.47
6. Step 6: Final answer
   x = 5,598.45