Finding the Fourth Proportional to 9,372.36, 12,933.32 and 5,492.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,372.36 : 12,933.32 = 5,492.90 : x
2. Step 2: Convert to fraction form
   9,372.36/12,933.32 = 5,492.90/x
3. Step 3: Cross multiply
   9,372.36x = 12,933.32 × 5,492.90
4. Step 4: Simplify right side
   9,372.36x = 71,041,433.43
5. Step 5: Solve for x
   x = 71,041,433.43/9,372.36
6. Step 6: Final answer
   x = 7,579.89