Finding the Fourth Proportional to 65,719.89, 98,594.28 and 21,351.33

Step by Step Solution

1. Step 1: Write the proportion equation
   65,719.89 : 98,594.28 = 21,351.33 : x
2. Step 2: Convert to fraction form
   65,719.89/98,594.28 = 21,351.33/x
3. Step 3: Cross multiply
   65,719.89x = 98,594.28 × 21,351.33
4. Step 4: Simplify right side
   65,719.89x = 2,105,119,008.39
5. Step 5: Solve for x
   x = 2,105,119,008.39/65,719.89
6. Step 6: Final answer
   x = 32,031.69