Finding the Fourth Proportional to 8,401.61, 12,575.48 and 5,583.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.61 : 12,575.48 = 5,583.98 : x
2. Step 2: Convert to fraction form
   8,401.61/12,575.48 = 5,583.98/x
3. Step 3: Cross multiply
   8,401.61x = 12,575.48 × 5,583.98
4. Step 4: Simplify right side
   8,401.61x = 70,221,228.81
5. Step 5: Solve for x
   x = 70,221,228.81/8,401.61
6. Step 6: Final answer
   x = 8,358.07