Finding the Fourth Proportional to 71,767.05, 107,638.15 and 21,835.05

Step by Step Solution

1. Step 1: Write the proportion equation
   71,767.05 : 107,638.15 = 21,835.05 : x
2. Step 2: Convert to fraction form
   71,767.05/107,638.15 = 21,835.05/x
3. Step 3: Cross multiply
   71,767.05x = 107,638.15 × 21,835.05
4. Step 4: Simplify right side
   71,767.05x = 2,350,284,387.16
5. Step 5: Solve for x
   x = 2,350,284,387.16/71,767.05
6. Step 6: Final answer
   x = 32,748.79