Finding the Fourth Proportional to 8,339.00, 12,522.80 and 7,404.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,339.00 : 12,522.80 = 7,404.05 : x
2. Step 2: Convert to fraction form
   8,339.00/12,522.80 = 7,404.05/x
3. Step 3: Cross multiply
   8,339.00x = 12,522.80 × 7,404.05
4. Step 4: Simplify right side
   8,339.00x = 92,719,487.16
5. Step 5: Solve for x
   x = 92,719,487.16/8,339.00
6. Step 6: Final answer
   x = 11,118.78