Finding the Fourth Proportional to 38,778.69, 53,402.72 and 37,007.22

Step by Step Solution

1. Step 1: Write the proportion equation
   38,778.69 : 53,402.72 = 37,007.22 : x
2. Step 2: Convert to fraction form
   38,778.69/53,402.72 = 37,007.22/x
3. Step 3: Cross multiply
   38,778.69x = 53,402.72 × 37,007.22
4. Step 4: Simplify right side
   38,778.69x = 1,976,286,022.60
5. Step 5: Solve for x
   x = 1,976,286,022.60/38,778.69
6. Step 6: Final answer
   x = 50,963.20