Finding the Fourth Proportional to 13,513.30, 18,650.01 and 7,846.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,513.30 : 18,650.01 = 7,846.81 : x
2. Step 2: Convert to fraction form
   13,513.30/18,650.01 = 7,846.81/x
3. Step 3: Cross multiply
   13,513.30x = 18,650.01 × 7,846.81
4. Step 4: Simplify right side
   13,513.30x = 146,343,084.97
5. Step 5: Solve for x
   x = 146,343,084.97/13,513.30
6. Step 6: Final answer
   x = 10,829.56