Finding the Fourth Proportional to 3,511.86, 5,263.37 and 3,072.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,511.86 : 5,263.37 = 3,072.06 : x
2. Step 2: Convert to fraction form
   3,511.86/5,263.37 = 3,072.06/x
3. Step 3: Cross multiply
   3,511.86x = 5,263.37 × 3,072.06
4. Step 4: Simplify right side
   3,511.86x = 16,169,404.34
5. Step 5: Solve for x
   x = 16,169,404.34/3,511.86
6. Step 6: Final answer
   x = 4,604.23