Finding the Fourth Proportional to 12,932.76, 19,395.55 and 3,570.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.76 : 19,395.55 = 3,570.58 : x
2. Step 2: Convert to fraction form
   12,932.76/19,395.55 = 3,570.58/x
3. Step 3: Cross multiply
   12,932.76x = 19,395.55 × 3,570.58
4. Step 4: Simplify right side
   12,932.76x = 69,253,362.92
5. Step 5: Solve for x
   x = 69,253,362.92/12,932.76
6. Step 6: Final answer
   x = 5,354.88