Finding the Fourth Proportional to 2,148.62, 2,966.72 and 1,705.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.62 : 2,966.72 = 1,705.77 : x
2. Step 2: Convert to fraction form
   2,148.62/2,966.72 = 1,705.77/x
3. Step 3: Cross multiply
   2,148.62x = 2,966.72 × 1,705.77
4. Step 4: Simplify right side
   2,148.62x = 5,060,533.45
5. Step 5: Solve for x
   x = 5,060,533.45/2,148.62
6. Step 6: Final answer
   x = 2,355.25