Finding the Fourth Proportional to 12,150.58, 18,210.22 and 5,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.58 : 18,210.22 = 5,898.50 : x
2. Step 2: Convert to fraction form
   12,150.58/18,210.22 = 5,898.50/x
3. Step 3: Cross multiply
   12,150.58x = 18,210.22 × 5,898.50
4. Step 4: Simplify right side
   12,150.58x = 107,412,982.67
5. Step 5: Solve for x
   x = 107,412,982.67/12,150.58
6. Step 6: Final answer
   x = 8,840.15