Finding the Fourth Proportional to 13,510.18, 18,648.03 and 7,846.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,510.18 : 18,648.03 = 7,846.30 : x
2. Step 2: Convert to fraction form
   13,510.18/18,648.03 = 7,846.30/x
3. Step 3: Cross multiply
   13,510.18x = 18,648.03 × 7,846.30
4. Step 4: Simplify right side
   13,510.18x = 146,318,037.79
5. Step 5: Solve for x
   x = 146,318,037.79/13,510.18
6. Step 6: Final answer
   x = 10,830.21