Finding the Fourth Proportional to 10,345.90, 14,277.45 and 5,630.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.90 : 14,277.45 = 5,630.17 : x
2. Step 2: Convert to fraction form
   10,345.90/14,277.45 = 5,630.17/x
3. Step 3: Cross multiply
   10,345.90x = 14,277.45 × 5,630.17
4. Step 4: Simplify right side
   10,345.90x = 80,384,470.67
5. Step 5: Solve for x
   x = 80,384,470.67/10,345.90
6. Step 6: Final answer
   x = 7,769.69