Finding the Fourth Proportional to 21,994.98, 32,988.78 and 7,952.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,994.98 : 32,988.78 = 7,952.34 : x
2. Step 2: Convert to fraction form
   21,994.98/32,988.78 = 7,952.34/x
3. Step 3: Cross multiply
   21,994.98x = 32,988.78 × 7,952.34
4. Step 4: Simplify right side
   21,994.98x = 262,337,994.75
5. Step 5: Solve for x
   x = 262,337,994.75/21,994.98
6. Step 6: Final answer
   x = 11,927.18