Finding the Fourth Proportional to 1,677.50, 2,516.61 and 704.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.50 : 2,516.61 = 704.42 : x
2. Step 2: Convert to fraction form
   1,677.50/2,516.61 = 704.42/x
3. Step 3: Cross multiply
   1,677.50x = 2,516.61 × 704.42
4. Step 4: Simplify right side
   1,677.50x = 1,772,750.42
5. Step 5: Solve for x
   x = 1,772,750.42/1,677.50
6. Step 6: Final answer
   x = 1,056.78