Finding the Fourth Proportional to 10,511.16, 14,499.18 and 7,381.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,511.16 : 14,499.18 = 7,381.32 : x
2. Step 2: Convert to fraction form
   10,511.16/14,499.18 = 7,381.32/x
3. Step 3: Cross multiply
   10,511.16x = 14,499.18 × 7,381.32
4. Step 4: Simplify right side
   10,511.16x = 107,023,087.32
5. Step 5: Solve for x
   x = 107,023,087.32/10,511.16
6. Step 6: Final answer
   x = 10,181.85