Finding the Fourth Proportional to 92,942.06, 139,404.60 and 30,612.56

Step by Step Solution

1. Step 1: Write the proportion equation
   92,942.06 : 139,404.60 = 30,612.56 : x
2. Step 2: Convert to fraction form
   92,942.06/139,404.60 = 30,612.56/x
3. Step 3: Cross multiply
   92,942.06x = 139,404.60 × 30,612.56
4. Step 4: Simplify right side
   92,942.06x = 4,267,531,681.78
5. Step 5: Solve for x
   x = 4,267,531,681.78/92,942.06
6. Step 6: Final answer
   x = 45,916.04