Finding the Fourth Proportional to 10,403.87, 14,355.91 and 5,926.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,403.87 : 14,355.91 = 5,926.76 : x
2. Step 2: Convert to fraction form
   10,403.87/14,355.91 = 5,926.76/x
3. Step 3: Cross multiply
   10,403.87x = 14,355.91 × 5,926.76
4. Step 4: Simplify right side
   10,403.87x = 85,084,071.33
5. Step 5: Solve for x
   x = 85,084,071.33/10,403.87
6. Step 6: Final answer
   x = 8,178.12