Finding the Fourth Proportional to 13,018.92, 19,516.50 and 4,697.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.92 : 19,516.50 = 4,697.10 : x
2. Step 2: Convert to fraction form
   13,018.92/19,516.50 = 4,697.10/x
3. Step 3: Cross multiply
   13,018.92x = 19,516.50 × 4,697.10
4. Step 4: Simplify right side
   13,018.92x = 91,670,952.15
5. Step 5: Solve for x
   x = 91,670,952.15/13,018.92
6. Step 6: Final answer
   x = 7,041.36