Finding the Fourth Proportional to 8,887.58, 12,256.59 and 5,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,887.58 : 12,256.59 = 5,900.50 : x
2. Step 2: Convert to fraction form
   8,887.58/12,256.59 = 5,900.50/x
3. Step 3: Cross multiply
   8,887.58x = 12,256.59 × 5,900.50
4. Step 4: Simplify right side
   8,887.58x = 72,320,009.30
5. Step 5: Solve for x
   x = 72,320,009.30/8,887.58
6. Step 6: Final answer
   x = 8,137.20