Finding the Fourth Proportional to 73,096.71, 109,636.56 and 20,510.70

Step by Step Solution

1. Step 1: Write the proportion equation
   73,096.71 : 109,636.56 = 20,510.70 : x
2. Step 2: Convert to fraction form
   73,096.71/109,636.56 = 20,510.70/x
3. Step 3: Cross multiply
   73,096.71x = 109,636.56 × 20,510.70
4. Step 4: Simplify right side
   73,096.71x = 2,248,722,591.19
5. Step 5: Solve for x
   x = 2,248,722,591.19/73,096.71
6. Step 6: Final answer
   x = 30,763.66