Finding the Fourth Proportional to 7,188.94, 10,784.15 and 1,994.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,188.94 : 10,784.15 = 1,994.82 : x
2. Step 2: Convert to fraction form
   7,188.94/10,784.15 = 1,994.82/x
3. Step 3: Cross multiply
   7,188.94x = 10,784.15 × 1,994.82
4. Step 4: Simplify right side
   7,188.94x = 21,512,438.10
5. Step 5: Solve for x
   x = 21,512,438.10/7,188.94
6. Step 6: Final answer
   x = 2,992.44