Finding the Fourth Proportional to 9,374.43, 12,937.86 and 5,395.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,374.43 : 12,937.86 = 5,395.47 : x
2. Step 2: Convert to fraction form
   9,374.43/12,937.86 = 5,395.47/x
3. Step 3: Cross multiply
   9,374.43x = 12,937.86 × 5,395.47
4. Step 4: Simplify right side
   9,374.43x = 69,805,835.49
5. Step 5: Solve for x
   x = 69,805,835.49/9,374.43
6. Step 6: Final answer
   x = 7,446.41