Finding the Fourth Proportional to 19,948.59, 27,527.99 and 10,994.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,948.59 : 27,527.99 = 10,994.31 : x
2. Step 2: Convert to fraction form
   19,948.59/27,527.99 = 10,994.31/x
3. Step 3: Cross multiply
   19,948.59x = 27,527.99 × 10,994.31
4. Step 4: Simplify right side
   19,948.59x = 302,651,200.77
5. Step 5: Solve for x
   x = 302,651,200.77/19,948.59
6. Step 6: Final answer
   x = 15,171.56