Finding the Fourth Proportional to 56,669, 78,203.22 and 31,517.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,669 : 78,203.22 = 31,517.96 : x
2. Step 2: Convert to fraction form
   56,669/78,203.22 = 31,517.96/x
3. Step 3: Cross multiply
   56,669x = 78,203.22 × 31,517.96
4. Step 4: Simplify right side
   56,669x = 2,464,805,959.83
5. Step 5: Solve for x
   x = 2,464,805,959.83/56,669
6. Step 6: Final answer
   x = 43,494.78