Finding the Fourth Proportional to 9,870.30, 14,813.55 and 9,546.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.30 : 14,813.55 = 9,546.30 : x
2. Step 2: Convert to fraction form
   9,870.30/14,813.55 = 9,546.30/x
3. Step 3: Cross multiply
   9,870.30x = 14,813.55 × 9,546.30
4. Step 4: Simplify right side
   9,870.30x = 141,414,592.37
5. Step 5: Solve for x
   x = 141,414,592.37/9,870.30
6. Step 6: Final answer
   x = 14,327.28