Finding the Fourth Proportional to 7,953.39, 10,978.74 and 5,299.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,953.39 : 10,978.74 = 5,299.83 : x
2. Step 2: Convert to fraction form
   7,953.39/10,978.74 = 5,299.83/x
3. Step 3: Cross multiply
   7,953.39x = 10,978.74 × 5,299.83
4. Step 4: Simplify right side
   7,953.39x = 58,185,455.61
5. Step 5: Solve for x
   x = 58,185,455.61/7,953.39
6. Step 6: Final answer
   x = 7,315.81