Finding the Fourth Proportional to 4,837.12, 7,288.63 and 3,978.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,837.12 : 7,288.63 = 3,978.83 : x
2. Step 2: Convert to fraction form
   4,837.12/7,288.63 = 3,978.83/x
3. Step 3: Cross multiply
   4,837.12x = 7,288.63 × 3,978.83
4. Step 4: Simplify right side
   4,837.12x = 29,000,227.98
5. Step 5: Solve for x
   x = 29,000,227.98/4,837.12
6. Step 6: Final answer
   x = 5,995.35