Finding the Fourth Proportional to 56,933.42, 78,567.72 and 31,441.37

Step by Step Solution

1. Step 1: Write the proportion equation
   56,933.42 : 78,567.72 = 31,441.37 : x
2. Step 2: Convert to fraction form
   56,933.42/78,567.72 = 31,441.37/x
3. Step 3: Cross multiply
   56,933.42x = 78,567.72 × 31,441.37
4. Step 4: Simplify right side
   56,933.42x = 2,470,276,754.58
5. Step 5: Solve for x
   x = 2,470,276,754.58/56,933.42
6. Step 6: Final answer
   x = 43,388.87