Finding the Fourth Proportional to 8,973.40, 12,379.86 and 5,614.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,973.40 : 12,379.86 = 5,614.84 : x
2. Step 2: Convert to fraction form
   8,973.40/12,379.86 = 5,614.84/x
3. Step 3: Cross multiply
   8,973.40x = 12,379.86 × 5,614.84
4. Step 4: Simplify right side
   8,973.40x = 69,510,933.12
5. Step 5: Solve for x
   x = 69,510,933.12/8,973.40
6. Step 6: Final answer
   x = 7,746.33