Finding the Fourth Proportional to 37,952.78, 52,326.08 and 31,121.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,952.78 : 52,326.08 = 31,121.72 : x
2. Step 2: Convert to fraction form
   37,952.78/52,326.08 = 31,121.72/x
3. Step 3: Cross multiply
   37,952.78x = 52,326.08 × 31,121.72
4. Step 4: Simplify right side
   37,952.78x = 1,628,477,348.83
5. Step 5: Solve for x
   x = 1,628,477,348.83/37,952.78
6. Step 6: Final answer
   x = 42,907.99