Finding the Fourth Proportional to 90,900.06, 136,357.38 and 31,734.42

Step by Step Solution

1. Step 1: Write the proportion equation
   90,900.06 : 136,357.38 = 31,734.42 : x
2. Step 2: Convert to fraction form
   90,900.06/136,357.38 = 31,734.42/x
3. Step 3: Cross multiply
   90,900.06x = 136,357.38 × 31,734.42
4. Step 4: Simplify right side
   90,900.06x = 4,327,222,367.02
5. Step 5: Solve for x
   x = 4,327,222,367.02/90,900.06
6. Step 6: Final answer
   x = 47,604.18