Finding the Fourth Proportional to 92,747.94, 139,105.74 and 42,823.77

Step by Step Solution

1. Step 1: Write the proportion equation
   92,747.94 : 139,105.74 = 42,823.77 : x
2. Step 2: Convert to fraction form
   92,747.94/139,105.74 = 42,823.77/x
3. Step 3: Cross multiply
   92,747.94x = 139,105.74 × 42,823.77
4. Step 4: Simplify right side
   92,747.94x = 5,957,032,215.44
5. Step 5: Solve for x
   x = 5,957,032,215.44/92,747.94
6. Step 6: Final answer
   x = 64,228.19