Finding the Fourth Proportional to 12,150.34, 18,209.85 and 5,898.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.34 : 18,209.85 = 5,898.25 : x
2. Step 2: Convert to fraction form
   12,150.34/18,209.85 = 5,898.25/x
3. Step 3: Cross multiply
   12,150.34x = 18,209.85 × 5,898.25
4. Step 4: Simplify right side
   12,150.34x = 107,406,156.71
5. Step 5: Solve for x
   x = 107,406,156.71/12,150.34
6. Step 6: Final answer
   x = 8,839.77