Finding the Fourth Proportional to 9,401.63, 12,970.82 and 5,624.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.63 : 12,970.82 = 5,624.91 : x
2. Step 2: Convert to fraction form
   9,401.63/12,970.82 = 5,624.91/x
3. Step 3: Cross multiply
   9,401.63x = 12,970.82 × 5,624.91
4. Step 4: Simplify right side
   9,401.63x = 72,959,630.27
5. Step 5: Solve for x
   x = 72,959,630.27/9,401.63
6. Step 6: Final answer
   x = 7,760.32