Finding the Fourth Proportional to 1,566.83, 2,159.30 and 1,173.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.83 : 2,159.30 = 1,173.17 : x
2. Step 2: Convert to fraction form
   1,566.83/2,159.30 = 1,173.17/x
3. Step 3: Cross multiply
   1,566.83x = 2,159.30 × 1,173.17
4. Step 4: Simplify right side
   1,566.83x = 2,533,209.32
5. Step 5: Solve for x
   x = 2,533,209.32/1,566.83
6. Step 6: Final answer
   x = 1,616.78