Finding the Fourth Proportional to 12,959.55, 19,435.68 and 3,597.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,959.55 : 19,435.68 = 3,597.30 : x
2. Step 2: Convert to fraction form
   12,959.55/19,435.68 = 3,597.30/x
3. Step 3: Cross multiply
   12,959.55x = 19,435.68 × 3,597.30
4. Step 4: Simplify right side
   12,959.55x = 69,915,971.66
5. Step 5: Solve for x
   x = 69,915,971.66/12,959.55
6. Step 6: Final answer
   x = 5,394.94