Finding the Fourth Proportional to 2,511.58, 3,467.58 and 1,615.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.58 : 3,467.58 = 1,615.72 : x
2. Step 2: Convert to fraction form
   2,511.58/3,467.58 = 1,615.72/x
3. Step 3: Cross multiply
   2,511.58x = 3,467.58 × 1,615.72
4. Step 4: Simplify right side
   2,511.58x = 5,602,638.36
5. Step 5: Solve for x
   x = 5,602,638.36/2,511.58
6. Step 6: Final answer
   x = 2,230.72