Finding the Fourth Proportional to 92,822.89, 139,212.03 and 42,855

Step by Step Solution

1. Step 1: Write the proportion equation
   92,822.89 : 139,212.03 = 42,855 : x
2. Step 2: Convert to fraction form
   92,822.89/139,212.03 = 42,855/x
3. Step 3: Cross multiply
   92,822.89x = 139,212.03 × 42,855
4. Step 4: Simplify right side
   92,822.89x = 5,965,931,706.36
5. Step 5: Solve for x
   x = 5,965,931,706.36/92,822.89
6. Step 6: Final answer
   x = 64,272.21