Finding the Fourth Proportional to 56,857.82, 78,460.24 and 31,364.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,857.82 : 78,460.24 = 31,364.48 : x
2. Step 2: Convert to fraction form
   56,857.82/78,460.24 = 31,364.48/x
3. Step 3: Cross multiply
   56,857.82x = 78,460.24 × 31,364.48
4. Step 4: Simplify right side
   56,857.82x = 2,460,864,628.28
5. Step 5: Solve for x
   x = 2,460,864,628.28/56,857.82
6. Step 6: Final answer
   x = 43,281.02