Finding the Fourth Proportional to 5,118.86, 7,064.12 and 2,994.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,118.86 : 7,064.12 = 2,994.57 : x
2. Step 2: Convert to fraction form
   5,118.86/7,064.12 = 2,994.57/x
3. Step 3: Cross multiply
   5,118.86x = 7,064.12 × 2,994.57
4. Step 4: Simplify right side
   5,118.86x = 21,153,986.86
5. Step 5: Solve for x
   x = 21,153,986.86/5,118.86
6. Step 6: Final answer
   x = 4,132.56