Finding the Fourth Proportional to 34,724.42, 47,919.50 and 19,617.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,724.42 : 47,919.50 = 19,617.31 : x
2. Step 2: Convert to fraction form
   34,724.42/47,919.50 = 19,617.31/x
3. Step 3: Cross multiply
   34,724.42x = 47,919.50 × 19,617.31
4. Step 4: Simplify right side
   34,724.42x = 940,051,588.46
5. Step 5: Solve for x
   x = 940,051,588.46/34,724.42
6. Step 6: Final answer
   x = 27,071.77