Finding the Fourth Proportional to 9,870, 14,812.28 and 4,675.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870 : 14,812.28 = 4,675.88 : x
2. Step 2: Convert to fraction form
   9,870/14,812.28 = 4,675.88/x
3. Step 3: Cross multiply
   9,870x = 14,812.28 × 4,675.88
4. Step 4: Simplify right side
   9,870x = 69,260,443.81
5. Step 5: Solve for x
   x = 69,260,443.81/9,870
6. Step 6: Final answer
   x = 7,017.27