Finding the Fourth Proportional to 9,523.46, 13,141.71 and 5,274.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523.46 : 13,141.71 = 5,274.21 : x
2. Step 2: Convert to fraction form
   9,523.46/13,141.71 = 5,274.21/x
3. Step 3: Cross multiply
   9,523.46x = 13,141.71 × 5,274.21
4. Step 4: Simplify right side
   9,523.46x = 69,312,138.30
5. Step 5: Solve for x
   x = 69,312,138.30/9,523.46
6. Step 6: Final answer
   x = 7,278.05