Finding the Fourth Proportional to 8,753.47, 12,081.35 and 5,216.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.47 : 12,081.35 = 5,216.91 : x
2. Step 2: Convert to fraction form
   8,753.47/12,081.35 = 5,216.91/x
3. Step 3: Cross multiply
   8,753.47x = 12,081.35 × 5,216.91
4. Step 4: Simplify right side
   8,753.47x = 63,027,283.37
5. Step 5: Solve for x
   x = 63,027,283.37/8,753.47
6. Step 6: Final answer
   x = 7,200.26