Finding the Fourth Proportional to 10,972.69, 16,439.60 and 7,492.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,972.69 : 16,439.60 = 7,492.93 : x
2. Step 2: Convert to fraction form
   10,972.69/16,439.60 = 7,492.93/x
3. Step 3: Cross multiply
   10,972.69x = 16,439.60 × 7,492.93
4. Step 4: Simplify right side
   10,972.69x = 123,180,734.56
5. Step 5: Solve for x
   x = 123,180,734.56/10,972.69
6. Step 6: Final answer
   x = 11,226.12