Finding the Fourth Proportional to 9,401.31, 12,973.17 and 5,152.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.31 : 12,973.17 = 5,152.32 : x
2. Step 2: Convert to fraction form
   9,401.31/12,973.17 = 5,152.32/x
3. Step 3: Cross multiply
   9,401.31x = 12,973.17 × 5,152.32
4. Step 4: Simplify right side
   9,401.31x = 66,841,923.25
5. Step 5: Solve for x
   x = 66,841,923.25/9,401.31
6. Step 6: Final answer
   x = 7,109.85