Finding the Fourth Proportional to 3,934.71, 5,904.72 and 1,626.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,934.71 : 5,904.72 = 1,626.21 : x
2. Step 2: Convert to fraction form
   3,934.71/5,904.72 = 1,626.21/x
3. Step 3: Cross multiply
   3,934.71x = 5,904.72 × 1,626.21
4. Step 4: Simplify right side
   3,934.71x = 9,602,314.71
5. Step 5: Solve for x
   x = 9,602,314.71/3,934.71
6. Step 6: Final answer
   x = 2,440.41