Finding the Fourth Proportional to 56,766.84, 78,341.82 and 31,616.28

Step by Step Solution

1. Step 1: Write the proportion equation
   56,766.84 : 78,341.82 = 31,616.28 : x
2. Step 2: Convert to fraction form
   56,766.84/78,341.82 = 31,616.28/x
3. Step 3: Cross multiply
   56,766.84x = 78,341.82 × 31,616.28
4. Step 4: Simplify right side
   56,766.84x = 2,476,876,916.83
5. Step 5: Solve for x
   x = 2,476,876,916.83/56,766.84
6. Step 6: Final answer
   x = 43,632.46