Finding the Fourth Proportional to 8,784.60, 12,124.50 and 5,800.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.60 : 12,124.50 = 5,800.56 : x
2. Step 2: Convert to fraction form
   8,784.60/12,124.50 = 5,800.56/x
3. Step 3: Cross multiply
   8,784.60x = 12,124.50 × 5,800.56
4. Step 4: Simplify right side
   8,784.60x = 70,328,889.72
5. Step 5: Solve for x
   x = 70,328,889.72/8,784.60
6. Step 6: Final answer
   x = 8,005.93