Finding the Fourth Proportional to 8,996.60, 12,415.32 and 5,017.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,996.60 : 12,415.32 = 5,017.61 : x
2. Step 2: Convert to fraction form
   8,996.60/12,415.32 = 5,017.61/x
3. Step 3: Cross multiply
   8,996.60x = 12,415.32 × 5,017.61
4. Step 4: Simplify right side
   8,996.60x = 62,295,171.71
5. Step 5: Solve for x
   x = 62,295,171.71/8,996.60
6. Step 6: Final answer
   x = 6,924.31