Finding the Fourth Proportional to 31,304.81, 46,962.69 and 13,774.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,304.81 : 46,962.69 = 13,774.19 : x
2. Step 2: Convert to fraction form
   31,304.81/46,962.69 = 13,774.19/x
3. Step 3: Cross multiply
   31,304.81x = 46,962.69 × 13,774.19
4. Step 4: Simplify right side
   31,304.81x = 646,872,711.29
5. Step 5: Solve for x
   x = 646,872,711.29/31,304.81
6. Step 6: Final answer
   x = 20,663.68