Finding the Fourth Proportional to 7,026.58, 10,532.55 and 2,864.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,026.58 : 10,532.55 = 2,864.78 : x
2. Step 2: Convert to fraction form
   7,026.58/10,532.55 = 2,864.78/x
3. Step 3: Cross multiply
   7,026.58x = 10,532.55 × 2,864.78
4. Step 4: Simplify right side
   7,026.58x = 30,173,438.59
5. Step 5: Solve for x
   x = 30,173,438.59/7,026.58
6. Step 6: Final answer
   x = 4,294.19