Finding the Fourth Proportional to 31,047.82, 46,346.32 and 28,734.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.82 : 46,346.32 = 28,734.94 : x
2. Step 2: Convert to fraction form
   31,047.82/46,346.32 = 28,734.94/x
3. Step 3: Cross multiply
   31,047.82x = 46,346.32 × 28,734.94
4. Step 4: Simplify right side
   31,047.82x = 1,331,758,724.42
5. Step 5: Solve for x
   x = 1,331,758,724.42/31,047.82
6. Step 6: Final answer
   x = 42,893.79