Finding the Fourth Proportional to 56,699.73, 78,245.71 and 31,549.23

Step by Step Solution

1. Step 1: Write the proportion equation
   56,699.73 : 78,245.71 = 31,549.23 : x
2. Step 2: Convert to fraction form
   56,699.73/78,245.71 = 31,549.23/x
3. Step 3: Cross multiply
   56,699.73x = 78,245.71 × 31,549.23
4. Step 4: Simplify right side
   56,699.73x = 2,468,591,901.30
5. Step 5: Solve for x
   x = 2,468,591,901.30/56,699.73
6. Step 6: Final answer
   x = 43,537.98