Finding the Fourth Proportional to 60,128.28, 83,002.58 and 37,478.55

Step by Step Solution

1. Step 1: Write the proportion equation
   60,128.28 : 83,002.58 = 37,478.55 : x
2. Step 2: Convert to fraction form
   60,128.28/83,002.58 = 37,478.55/x
3. Step 3: Cross multiply
   60,128.28x = 83,002.58 × 37,478.55
4. Step 4: Simplify right side
   60,128.28x = 3,110,816,297.81
5. Step 5: Solve for x
   x = 3,110,816,297.81/60,128.28
6. Step 6: Final answer
   x = 51,736.33