Finding the Fourth Proportional to 1,604.34, 2,215.52 and 1,516.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604.34 : 2,215.52 = 1,516.98 : x
2. Step 2: Convert to fraction form
   1,604.34/2,215.52 = 1,516.98/x
3. Step 3: Cross multiply
   1,604.34x = 2,215.52 × 1,516.98
4. Step 4: Simplify right side
   1,604.34x = 3,360,891.94
5. Step 5: Solve for x
   x = 3,360,891.94/1,604.34
6. Step 6: Final answer
   x = 2,094.88