Finding the Fourth Proportional to 8,045.88, 11,100.71 and 5,215.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.88 : 11,100.71 = 5,215.43 : x
2. Step 2: Convert to fraction form
   8,045.88/11,100.71 = 5,215.43/x
3. Step 3: Cross multiply
   8,045.88x = 11,100.71 × 5,215.43
4. Step 4: Simplify right side
   8,045.88x = 57,894,894.37
5. Step 5: Solve for x
   x = 57,894,894.37/8,045.88
6. Step 6: Final answer
   x = 7,195.60