Finding the Fourth Proportional to 73,086.09, 109,620.01 and 20,499.67

Step by Step Solution

1. Step 1: Write the proportion equation
   73,086.09 : 109,620.01 = 20,499.67 : x
2. Step 2: Convert to fraction form
   73,086.09/109,620.01 = 20,499.67/x
3. Step 3: Cross multiply
   73,086.09x = 109,620.01 × 20,499.67
4. Step 4: Simplify right side
   73,086.09x = 2,247,174,030.40
5. Step 5: Solve for x
   x = 2,247,174,030.40/73,086.09
6. Step 6: Final answer
   x = 30,746.95