Finding the Fourth Proportional to 10,853.81, 14,992.32 and 7,490.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,853.81 : 14,992.32 = 7,490.69 : x
2. Step 2: Convert to fraction form
   10,853.81/14,992.32 = 7,490.69/x
3. Step 3: Cross multiply
   10,853.81x = 14,992.32 × 7,490.69
4. Step 4: Simplify right side
   10,853.81x = 112,302,821.50
5. Step 5: Solve for x
   x = 112,302,821.50/10,853.81
6. Step 6: Final answer
   x = 10,346.86