Finding the Fourth Proportional to 11,780.53, 16,259.60 and 7,470.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,780.53 : 16,259.60 = 7,470.83 : x
2. Step 2: Convert to fraction form
   11,780.53/16,259.60 = 7,470.83/x
3. Step 3: Cross multiply
   11,780.53x = 16,259.60 × 7,470.83
4. Step 4: Simplify right side
   11,780.53x = 121,472,679.66
5. Step 5: Solve for x
   x = 121,472,679.66/11,780.53
6. Step 6: Final answer
   x = 10,311.31