Finding the Fourth Proportional to 34,111.98, 47,071.41 and 19,965.90

Step by Step Solution

1. Step 1: Write the proportion equation
   34,111.98 : 47,071.41 = 19,965.90 : x
2. Step 2: Convert to fraction form
   34,111.98/47,071.41 = 19,965.90/x
3. Step 3: Cross multiply
   34,111.98x = 47,071.41 × 19,965.90
4. Step 4: Simplify right side
   34,111.98x = 939,823,064.92
5. Step 5: Solve for x
   x = 939,823,064.92/34,111.98
6. Step 6: Final answer
   x = 27,551.11