Finding the Fourth Proportional to 10,828.76, 14,934.98 and 7,470.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.76 : 14,934.98 = 7,470.80 : x
2. Step 2: Convert to fraction form
   10,828.76/14,934.98 = 7,470.80/x
3. Step 3: Cross multiply
   10,828.76x = 14,934.98 × 7,470.80
4. Step 4: Simplify right side
   10,828.76x = 111,576,248.58
5. Step 5: Solve for x
   x = 111,576,248.58/10,828.76
6. Step 6: Final answer
   x = 10,303.70