Finding the Fourth Proportional to 12,934.71, 19,401.67 and 3,575.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934.71 : 19,401.67 = 3,575.30 : x
2. Step 2: Convert to fraction form
   12,934.71/19,401.67 = 3,575.30/x
3. Step 3: Cross multiply
   12,934.71x = 19,401.67 × 3,575.30
4. Step 4: Simplify right side
   12,934.71x = 69,366,684.80
5. Step 5: Solve for x
   x = 69,366,684.80/12,934.71
6. Step 6: Final answer
   x = 5,362.83