Finding the Fourth Proportional to 9,981.65, 14,981.69 and 5,054.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.65 : 14,981.69 = 5,054.74 : x
2. Step 2: Convert to fraction form
   9,981.65/14,981.69 = 5,054.74/x
3. Step 3: Cross multiply
   9,981.65x = 14,981.69 × 5,054.74
4. Step 4: Simplify right side
   9,981.65x = 75,728,522.89
5. Step 5: Solve for x
   x = 75,728,522.89/9,981.65
6. Step 6: Final answer
   x = 7,586.77