Finding the Fourth Proportional to 8,981.98, 12,378.98 and 7,308.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.98 : 12,378.98 = 7,308.92 : x
2. Step 2: Convert to fraction form
   8,981.98/12,378.98 = 7,308.92/x
3. Step 3: Cross multiply
   8,981.98x = 12,378.98 × 7,308.92
4. Step 4: Simplify right side
   8,981.98x = 90,477,023.72
5. Step 5: Solve for x
   x = 90,477,023.72/8,981.98
6. Step 6: Final answer
   x = 10,073.17