Finding the Fourth Proportional to 60,880.73, 83,961 and 38,221.83

Step by Step Solution

1. Step 1: Write the proportion equation
   60,880.73 : 83,961 = 38,221.83 : x
2. Step 2: Convert to fraction form
   60,880.73/83,961 = 38,221.83/x
3. Step 3: Cross multiply
   60,880.73x = 83,961 × 38,221.83
4. Step 4: Simplify right side
   60,880.73x = 3,209,143,068.63
5. Step 5: Solve for x
   x = 3,209,143,068.63/60,880.73
6. Step 6: Final answer
   x = 52,711.97