Finding the Fourth Proportional to 9,402.84, 12,973.38 and 5,624.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.84 : 12,973.38 = 5,624.28 : x
2. Step 2: Convert to fraction form
   9,402.84/12,973.38 = 5,624.28/x
3. Step 3: Cross multiply
   9,402.84x = 12,973.38 × 5,624.28
4. Step 4: Simplify right side
   9,402.84x = 72,965,921.67
5. Step 5: Solve for x
   x = 72,965,921.67/9,402.84
6. Step 6: Final answer
   x = 7,759.99