Finding the Fourth Proportional to 56,168.48, 77,508.60 and 31,016

Step by Step Solution

1. Step 1: Write the proportion equation
   56,168.48 : 77,508.60 = 31,016 : x
2. Step 2: Convert to fraction form
   56,168.48/77,508.60 = 31,016/x
3. Step 3: Cross multiply
   56,168.48x = 77,508.60 × 31,016
4. Step 4: Simplify right side
   56,168.48x = 2,404,006,737.60
5. Step 5: Solve for x
   x = 2,404,006,737.60/56,168.48
6. Step 6: Final answer
   x = 42,799.93