Finding the Fourth Proportional to 60,128.28, 83,010.42 and 36,261

Step by Step Solution

1. Step 1: Write the proportion equation
   60,128.28 : 83,010.42 = 36,261 : x
2. Step 2: Convert to fraction form
   60,128.28/83,010.42 = 36,261/x
3. Step 3: Cross multiply
   60,128.28x = 83,010.42 × 36,261
4. Step 4: Simplify right side
   60,128.28x = 3,010,040,839.62
5. Step 5: Solve for x
   x = 3,010,040,839.62/60,128.28
6. Step 6: Final answer
   x = 50,060.32