Finding the Fourth Proportional to 4,790.94, 7,139.38 and 4,634.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,790.94 : 7,139.38 = 4,634.34 : x
2. Step 2: Convert to fraction form
   4,790.94/7,139.38 = 4,634.34/x
3. Step 3: Cross multiply
   4,790.94x = 7,139.38 × 4,634.34
4. Step 4: Simplify right side
   4,790.94x = 33,086,314.31
5. Step 5: Solve for x
   x = 33,086,314.31/4,790.94
6. Step 6: Final answer
   x = 6,906.02