Finding the Fourth Proportional to 9,918.52, 14,870.49 and 4,728.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,918.52 : 14,870.49 = 4,728.04 : x
2. Step 2: Convert to fraction form
   9,918.52/14,870.49 = 4,728.04/x
3. Step 3: Cross multiply
   9,918.52x = 14,870.49 × 4,728.04
4. Step 4: Simplify right side
   9,918.52x = 70,308,271.54
5. Step 5: Solve for x
   x = 70,308,271.54/9,918.52
6. Step 6: Final answer
   x = 7,088.58