Finding the Fourth Proportional to 19,971, 29,976.34 and 10,611.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,971 : 29,976.34 = 10,611.10 : x
2. Step 2: Convert to fraction form
   19,971/29,976.34 = 10,611.10/x
3. Step 3: Cross multiply
   19,971x = 29,976.34 × 10,611.10
4. Step 4: Simplify right side
   19,971x = 318,081,941.37
5. Step 5: Solve for x
   x = 318,081,941.37/19,971
6. Step 6: Final answer
   x = 15,927.19