Finding the Fourth Proportional to 60,638.09, 83,680.56 and 35,159.30

Step by Step Solution

1. Step 1: Write the proportion equation
   60,638.09 : 83,680.56 = 35,159.30 : x
2. Step 2: Convert to fraction form
   60,638.09/83,680.56 = 35,159.30/x
3. Step 3: Cross multiply
   60,638.09x = 83,680.56 × 35,159.30
4. Step 4: Simplify right side
   60,638.09x = 2,942,149,808.61
5. Step 5: Solve for x
   x = 2,942,149,808.61/60,638.09
6. Step 6: Final answer
   x = 48,519.83