Finding the Fourth Proportional to 9,018.84, 12,445.54 and 5,039.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.84 : 12,445.54 = 5,039.18 : x
2. Step 2: Convert to fraction form
   9,018.84/12,445.54 = 5,039.18/x
3. Step 3: Cross multiply
   9,018.84x = 12,445.54 × 5,039.18
4. Step 4: Simplify right side
   9,018.84x = 62,715,241.43
5. Step 5: Solve for x
   x = 62,715,241.43/9,018.84
6. Step 6: Final answer
   x = 6,953.80