Finding the Fourth Proportional to 56,599.54, 78,103.59 and 31,105.36

Step by Step Solution

1. Step 1: Write the proportion equation
   56,599.54 : 78,103.59 = 31,105.36 : x
2. Step 2: Convert to fraction form
   56,599.54/78,103.59 = 31,105.36/x
3. Step 3: Cross multiply
   56,599.54x = 78,103.59 × 31,105.36
4. Step 4: Simplify right side
   56,599.54x = 2,429,440,284.24
5. Step 5: Solve for x
   x = 2,429,440,284.24/56,599.54
6. Step 6: Final answer
   x = 42,923.32