Finding the Fourth Proportional to 7,385.31, 11,078.37 and 3,002.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,385.31 : 11,078.37 = 3,002.22 : x
2. Step 2: Convert to fraction form
   7,385.31/11,078.37 = 3,002.22/x
3. Step 3: Cross multiply
   7,385.31x = 11,078.37 × 3,002.22
4. Step 4: Simplify right side
   7,385.31x = 33,259,703.98
5. Step 5: Solve for x
   x = 33,259,703.98/7,385.31
6. Step 6: Final answer
   x = 4,503.49