Finding the Fourth Proportional to 9,018.87, 12,446.01 and 5,039.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.87 : 12,446.01 = 5,039.98 : x
2. Step 2: Convert to fraction form
   9,018.87/12,446.01 = 5,039.98/x
3. Step 3: Cross multiply
   9,018.87x = 12,446.01 × 5,039.98
4. Step 4: Simplify right side
   9,018.87x = 62,727,666.20
5. Step 5: Solve for x
   x = 62,727,666.20/9,018.87
6. Step 6: Final answer
   x = 6,955.16