Finding the Fourth Proportional to 37,605.88, 56,410.38 and 31,019.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,605.88 : 56,410.38 = 31,019.80 : x
2. Step 2: Convert to fraction form
   37,605.88/56,410.38 = 31,019.80/x
3. Step 3: Cross multiply
   37,605.88x = 56,410.38 × 31,019.80
4. Step 4: Simplify right side
   37,605.88x = 1,749,838,705.52
5. Step 5: Solve for x
   x = 1,749,838,705.52/37,605.88
6. Step 6: Final answer
   x = 46,530.99