Finding the Fourth Proportional to 10,342.72, 15,513.70 and 3,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.72 : 15,513.70 = 3,322.56 : x
2. Step 2: Convert to fraction form
   10,342.72/15,513.70 = 3,322.56/x
3. Step 3: Cross multiply
   10,342.72x = 15,513.70 × 3,322.56
4. Step 4: Simplify right side
   10,342.72x = 51,545,199.07
5. Step 5: Solve for x
   x = 51,545,199.07/10,342.72
6. Step 6: Final answer
   x = 4,983.72