Finding the Fourth Proportional to 9,018.74, 12,445.63 and 5,039.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.74 : 12,445.63 = 5,039.89 : x
2. Step 2: Convert to fraction form
   9,018.74/12,445.63 = 5,039.89/x
3. Step 3: Cross multiply
   9,018.74x = 12,445.63 × 5,039.89
4. Step 4: Simplify right side
   9,018.74x = 62,724,587.67
5. Step 5: Solve for x
   x = 62,724,587.67/9,018.74
6. Step 6: Final answer
   x = 6,954.92