Finding the Fourth Proportional to 9,401.34, 12,973.80 and 5,422.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.34 : 12,973.80 = 5,422.44 : x
2. Step 2: Convert to fraction form
   9,401.34/12,973.80 = 5,422.44/x
3. Step 3: Cross multiply
   9,401.34x = 12,973.80 × 5,422.44
4. Step 4: Simplify right side
   9,401.34x = 70,349,652.07
5. Step 5: Solve for x
   x = 70,349,652.07/9,401.34
6. Step 6: Final answer
   x = 7,482.94