Finding the Fourth Proportional to 56,762.62, 78,329.37 and 31,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,762.62 : 78,329.37 = 31,610.50 : x
2. Step 2: Convert to fraction form
   56,762.62/78,329.37 = 31,610.50/x
3. Step 3: Cross multiply
   56,762.62x = 78,329.37 × 31,610.50
4. Step 4: Simplify right side
   56,762.62x = 2,476,030,550.39
5. Step 5: Solve for x
   x = 2,476,030,550.39/56,762.62
6. Step 6: Final answer
   x = 43,620.79