Finding the Fourth Proportional to 56,596.46, 78,104.61 and 31,103.55

Step by Step Solution

1. Step 1: Write the proportion equation
   56,596.46 : 78,104.61 = 31,103.55 : x
2. Step 2: Convert to fraction form
   56,596.46/78,104.61 = 31,103.55/x
3. Step 3: Cross multiply
   56,596.46x = 78,104.61 × 31,103.55
4. Step 4: Simplify right side
   56,596.46x = 2,429,330,642.37
5. Step 5: Solve for x
   x = 2,429,330,642.37/56,596.46
6. Step 6: Final answer
   x = 42,923.72