Finding the Fourth Proportional to 10,617.50, 15,925.62 and 3,222.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,617.50 : 15,925.62 = 3,222.02 : x
2. Step 2: Convert to fraction form
   10,617.50/15,925.62 = 3,222.02/x
3. Step 3: Cross multiply
   10,617.50x = 15,925.62 × 3,222.02
4. Step 4: Simplify right side
   10,617.50x = 51,312,666.15
5. Step 5: Solve for x
   x = 51,312,666.15/10,617.50
6. Step 6: Final answer
   x = 4,832.84