Finding the Fourth Proportional to 10,300.78, 14,226.77 and 6,937.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.78 : 14,226.77 = 6,937.76 : x
2. Step 2: Convert to fraction form
   10,300.78/14,226.77 = 6,937.76/x
3. Step 3: Cross multiply
   10,300.78x = 14,226.77 × 6,937.76
4. Step 4: Simplify right side
   10,300.78x = 98,701,916.71
5. Step 5: Solve for x
   x = 98,701,916.71/10,300.78
6. Step 6: Final answer
   x = 9,581.99