Finding the Fourth Proportional to 74,906.72, 112,323.12 and 39,836.96

Step by Step Solution

1. Step 1: Write the proportion equation
   74,906.72 : 112,323.12 = 39,836.96 : x
2. Step 2: Convert to fraction form
   74,906.72/112,323.12 = 39,836.96/x
3. Step 3: Cross multiply
   74,906.72x = 112,323.12 × 39,836.96
4. Step 4: Simplify right side
   74,906.72x = 4,474,611,638.52
5. Step 5: Solve for x
   x = 4,474,611,638.52/74,906.72
6. Step 6: Final answer
   x = 59,735.78