Finding the Fourth Proportional to 10,997.31, 16,485.72 and 4,337.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.31 : 16,485.72 = 4,337.43 : x
2. Step 2: Convert to fraction form
   10,997.31/16,485.72 = 4,337.43/x
3. Step 3: Cross multiply
   10,997.31x = 16,485.72 × 4,337.43
4. Step 4: Simplify right side
   10,997.31x = 71,505,656.50
5. Step 5: Solve for x
   x = 71,505,656.50/10,997.31
6. Step 6: Final answer
   x = 6,502.10