Finding the Fourth Proportional to 10,925.55, 16,379.82 and 5,081.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.55 : 16,379.82 = 5,081.40 : x
2. Step 2: Convert to fraction form
   10,925.55/16,379.82 = 5,081.40/x
3. Step 3: Cross multiply
   10,925.55x = 16,379.82 × 5,081.40
4. Step 4: Simplify right side
   10,925.55x = 83,232,417.35
5. Step 5: Solve for x
   x = 83,232,417.35/10,925.55
6. Step 6: Final answer
   x = 7,618.14