Finding the Fourth Proportional to 2,184.71, 3,014.91 and 1,189.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.71 : 3,014.91 = 1,189.98 : x
2. Step 2: Convert to fraction form
   2,184.71/3,014.91 = 1,189.98/x
3. Step 3: Cross multiply
   2,184.71x = 3,014.91 × 1,189.98
4. Step 4: Simplify right side
   2,184.71x = 3,587,682.60
5. Step 5: Solve for x
   x = 3,587,682.60/2,184.71
6. Step 6: Final answer
   x = 1,642.18