Finding the Fourth Proportional to 9,815.50, 14,703.54 and 4,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.50 : 14,703.54 = 4,870.18 : x
2. Step 2: Convert to fraction form
   9,815.50/14,703.54 = 4,870.18/x
3. Step 3: Cross multiply
   9,815.50x = 14,703.54 × 4,870.18
4. Step 4: Simplify right side
   9,815.50x = 71,608,886.44
5. Step 5: Solve for x
   x = 71,608,886.44/9,815.50
6. Step 6: Final answer
   x = 7,295.49