Finding the Fourth Proportional to 60,781, 83,881.06 and 35,638.60

Step by Step Solution

1. Step 1: Write the proportion equation
   60,781 : 83,881.06 = 35,638.60 : x
2. Step 2: Convert to fraction form
   60,781/83,881.06 = 35,638.60/x
3. Step 3: Cross multiply
   60,781x = 83,881.06 × 35,638.60
4. Step 4: Simplify right side
   60,781x = 2,989,403,544.92
5. Step 5: Solve for x
   x = 2,989,403,544.92/60,781
6. Step 6: Final answer
   x = 49,183.19