Finding the Fourth Proportional to 9,870.99, 14,814.33 and 5,193.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.99 : 14,814.33 = 5,193.73 : x
2. Step 2: Convert to fraction form
   9,870.99/14,814.33 = 5,193.73/x
3. Step 3: Cross multiply
   9,870.99x = 14,814.33 × 5,193.73
4. Step 4: Simplify right side
   9,870.99x = 76,941,630.15
5. Step 5: Solve for x
   x = 76,941,630.15/9,870.99
6. Step 6: Final answer
   x = 7,794.72