Finding the Fourth Proportional to 56,663.82, 78,196.08 and 31,170.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,663.82 : 78,196.08 = 31,170.54 : x
2. Step 2: Convert to fraction form
   56,663.82/78,196.08 = 31,170.54/x
3. Step 3: Cross multiply
   56,663.82x = 78,196.08 × 31,170.54
4. Step 4: Simplify right side
   56,663.82x = 2,437,414,039.48
5. Step 5: Solve for x
   x = 2,437,414,039.48/56,663.82
6. Step 6: Final answer
   x = 43,015.35