Finding the Fourth Proportional to 71,410.35, 107,130.50 and 21,494.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,410.35 : 107,130.50 = 21,494.10 : x
2. Step 2: Convert to fraction form
   71,410.35/107,130.50 = 21,494.10/x
3. Step 3: Cross multiply
   71,410.35x = 107,130.50 × 21,494.10
4. Step 4: Simplify right side
   71,410.35x = 2,302,673,680.05
5. Step 5: Solve for x
   x = 2,302,673,680.05/71,410.35
6. Step 6: Final answer
   x = 32,245.66