Finding the Fourth Proportional to 49,898.72, 68,861.90 and 27,239.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,898.72 : 68,861.90 = 27,239.05 : x
2. Step 2: Convert to fraction form
   49,898.72/68,861.90 = 27,239.05/x
3. Step 3: Cross multiply
   49,898.72x = 68,861.90 × 27,239.05
4. Step 4: Simplify right side
   49,898.72x = 1,875,732,738.15
5. Step 5: Solve for x
   x = 1,875,732,738.15/49,898.72
6. Step 6: Final answer
   x = 37,590.80