Finding the Fourth Proportional to 9,369.90, 14,056.56 and 3,129.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,369.90 : 14,056.56 = 3,129.32 : x
2. Step 2: Convert to fraction form
   9,369.90/14,056.56 = 3,129.32/x
3. Step 3: Cross multiply
   9,369.90x = 14,056.56 × 3,129.32
4. Step 4: Simplify right side
   9,369.90x = 43,987,404.06
5. Step 5: Solve for x
   x = 43,987,404.06/9,369.90
6. Step 6: Final answer
   x = 4,694.54