Finding the Fourth Proportional to 11,876.23, 17,807.28 and 3,976.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,876.23 : 17,807.28 = 3,976.83 : x
2. Step 2: Convert to fraction form
   11,876.23/17,807.28 = 3,976.83/x
3. Step 3: Cross multiply
   11,876.23x = 17,807.28 × 3,976.83
4. Step 4: Simplify right side
   11,876.23x = 70,816,510.41
5. Step 5: Solve for x
   x = 70,816,510.41/11,876.23
6. Step 6: Final answer
   x = 5,962.88