Finding the Fourth Proportional to 1,770.56, 2,442.88 and 1,061.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.56 : 2,442.88 = 1,061.96 : x
2. Step 2: Convert to fraction form
   1,770.56/2,442.88 = 1,061.96/x
3. Step 3: Cross multiply
   1,770.56x = 2,442.88 × 1,061.96
4. Step 4: Simplify right side
   1,770.56x = 2,594,240.84
5. Step 5: Solve for x
   x = 2,594,240.84/1,770.56
6. Step 6: Final answer
   x = 1,465.21