Finding the Fourth Proportional to 1,589.19, 2,191.77 and 1,065.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.19 : 2,191.77 = 1,065.12 : x
2. Step 2: Convert to fraction form
   1,589.19/2,191.77 = 1,065.12/x
3. Step 3: Cross multiply
   1,589.19x = 2,191.77 × 1,065.12
4. Step 4: Simplify right side
   1,589.19x = 2,334,498.06
5. Step 5: Solve for x
   x = 2,334,498.06/1,589.19
6. Step 6: Final answer
   x = 1,468.99