Finding the Fourth Proportional to 8,932.50, 13,404.89 and 3,089.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,932.50 : 13,404.89 = 3,089.12 : x
2. Step 2: Convert to fraction form
   8,932.50/13,404.89 = 3,089.12/x
3. Step 3: Cross multiply
   8,932.50x = 13,404.89 × 3,089.12
4. Step 4: Simplify right side
   8,932.50x = 41,409,254.50
5. Step 5: Solve for x
   x = 41,409,254.50/8,932.50
6. Step 6: Final answer
   x = 4,635.80