Finding the Fourth Proportional to 2,109.90, 3,159.98 and 1,184.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.90 : 3,159.98 = 1,184.06 : x
2. Step 2: Convert to fraction form
   2,109.90/3,159.98 = 1,184.06/x
3. Step 3: Cross multiply
   2,109.90x = 3,159.98 × 1,184.06
4. Step 4: Simplify right side
   2,109.90x = 3,741,605.92
5. Step 5: Solve for x
   x = 3,741,605.92/2,109.90
6. Step 6: Final answer
   x = 1,773.36