Finding the Fourth Proportional to 73,498.89, 110,251.98 and 20,912.07

Step by Step Solution

1. Step 1: Write the proportion equation
   73,498.89 : 110,251.98 = 20,912.07 : x
2. Step 2: Convert to fraction form
   73,498.89/110,251.98 = 20,912.07/x
3. Step 3: Cross multiply
   73,498.89x = 110,251.98 × 20,912.07
4. Step 4: Simplify right side
   73,498.89x = 2,305,597,123.40
5. Step 5: Solve for x
   x = 2,305,597,123.40/73,498.89
6. Step 6: Final answer
   x = 31,369.14