Finding the Fourth Proportional to 13,201.93, 18,224.37 and 7,895.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,201.93 : 18,224.37 = 7,895.72 : x
2. Step 2: Convert to fraction form
   13,201.93/18,224.37 = 7,895.72/x
3. Step 3: Cross multiply
   13,201.93x = 18,224.37 × 7,895.72
4. Step 4: Simplify right side
   13,201.93x = 143,894,470.31
5. Step 5: Solve for x
   x = 143,894,470.31/13,201.93
6. Step 6: Final answer
   x = 10,899.50