Finding the Fourth Proportional to 12,963.67, 19,443.34 and 3,602.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,963.67 : 19,443.34 = 3,602.40 : x
2. Step 2: Convert to fraction form
   12,963.67/19,443.34 = 3,602.40/x
3. Step 3: Cross multiply
   12,963.67x = 19,443.34 × 3,602.40
4. Step 4: Simplify right side
   12,963.67x = 70,042,674.29
5. Step 5: Solve for x
   x = 70,042,674.29/12,963.67
6. Step 6: Final answer
   x = 5,403.00