Finding the Fourth Proportional to 8,973.30, 12,384.02 and 5,439

Step by Step Solution

1. Step 1: Write the proportion equation
   8,973.30 : 12,384.02 = 5,439 : x
2. Step 2: Convert to fraction form
   8,973.30/12,384.02 = 5,439/x
3. Step 3: Cross multiply
   8,973.30x = 12,384.02 × 5,439
4. Step 4: Simplify right side
   8,973.30x = 67,356,684.78
5. Step 5: Solve for x
   x = 67,356,684.78/8,973.30
6. Step 6: Final answer
   x = 7,506.34