Finding the Fourth Proportional to 13,512.37, 18,641.77 and 7,846.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,512.37 : 18,641.77 = 7,846.15 : x
2. Step 2: Convert to fraction form
   13,512.37/18,641.77 = 7,846.15/x
3. Step 3: Cross multiply
   13,512.37x = 18,641.77 × 7,846.15
4. Step 4: Simplify right side
   13,512.37x = 146,266,123.69
5. Step 5: Solve for x
   x = 146,266,123.69/13,512.37
6. Step 6: Final answer
   x = 10,824.61