Finding the Fourth Proportional to 5,998.01, 8,978.56 and 3,913.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,998.01 : 8,978.56 = 3,913.52 : x
2. Step 2: Convert to fraction form
   5,998.01/8,978.56 = 3,913.52/x
3. Step 3: Cross multiply
   5,998.01x = 8,978.56 × 3,913.52
4. Step 4: Simplify right side
   5,998.01x = 35,137,779.83
5. Step 5: Solve for x
   x = 35,137,779.83/5,998.01
6. Step 6: Final answer
   x = 5,858.24