Finding the Fourth Proportional to 25,337.79, 37,949.58 and 12,200.00

Step by Step Solution

1. Step 1: Write the proportion equation
   25,337.79 : 37,949.58 = 12,200.00 : x
2. Step 2: Convert to fraction form
   25,337.79/37,949.58 = 12,200.00/x
3. Step 3: Cross multiply
   25,337.79x = 37,949.58 × 12,200.00
4. Step 4: Simplify right side
   25,337.79x = 462,984,686.25
5. Step 5: Solve for x
   x = 462,984,686.25/25,337.79
6. Step 6: Final answer
   x = 18,272.50