Finding the Fourth Proportional to 37,868.40, 52,215.30 and 31,041

Step by Step Solution

1. Step 1: Write the proportion equation
   37,868.40 : 52,215.30 = 31,041 : x
2. Step 2: Convert to fraction form
   37,868.40/52,215.30 = 31,041/x
3. Step 3: Cross multiply
   37,868.40x = 52,215.30 × 31,041
4. Step 4: Simplify right side
   37,868.40x = 1,620,815,127.30
5. Step 5: Solve for x
   x = 1,620,815,127.30/37,868.40
6. Step 6: Final answer
   x = 42,801.26