Finding the Fourth Proportional to 6,345.16, 9,499.01 and 3,997.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,345.16 : 9,499.01 = 3,997.98 : x
2. Step 2: Convert to fraction form
   6,345.16/9,499.01 = 3,997.98/x
3. Step 3: Cross multiply
   6,345.16x = 9,499.01 × 3,997.98
4. Step 4: Simplify right side
   6,345.16x = 37,976,832.01
5. Step 5: Solve for x
   x = 37,976,832.01/6,345.16
6. Step 6: Final answer
   x = 5,985.17