Finding the Fourth Proportional to 56,937.83, 78,574.61 and 31,443.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,937.83 : 78,574.61 = 31,443.48 : x
2. Step 2: Convert to fraction form
   56,937.83/78,574.61 = 31,443.48/x
3. Step 3: Cross multiply
   56,937.83x = 78,574.61 × 31,443.48
4. Step 4: Simplify right side
   56,937.83x = 2,470,659,020.83
5. Step 5: Solve for x
   x = 2,470,659,020.83/56,937.83
6. Step 6: Final answer
   x = 43,392.23