Finding the Fourth Proportional to 73,719.16, 110,582.52 and 21,136.48

Step by Step Solution

1. Step 1: Write the proportion equation
   73,719.16 : 110,582.52 = 21,136.48 : x
2. Step 2: Convert to fraction form
   73,719.16/110,582.52 = 21,136.48/x
3. Step 3: Cross multiply
   73,719.16x = 110,582.52 × 21,136.48
4. Step 4: Simplify right side
   73,719.16x = 2,337,325,222.33
5. Step 5: Solve for x
   x = 2,337,325,222.33/73,719.16
6. Step 6: Final answer
   x = 31,705.80