Finding the Fourth Proportional to 7,188.24, 10,782.42 and 1,994.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,188.24 : 10,782.42 = 1,994.52 : x
2. Step 2: Convert to fraction form
   7,188.24/10,782.42 = 1,994.52/x
3. Step 3: Cross multiply
   7,188.24x = 10,782.42 × 1,994.52
4. Step 4: Simplify right side
   7,188.24x = 21,505,752.34
5. Step 5: Solve for x
   x = 21,505,752.34/7,188.24
6. Step 6: Final answer
   x = 2,991.80