Finding the Fourth Proportional to 2,129.93, 3,196.52 and 1,089.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129.93 : 3,196.52 = 1,089.84 : x
2. Step 2: Convert to fraction form
   2,129.93/3,196.52 = 1,089.84/x
3. Step 3: Cross multiply
   2,129.93x = 3,196.52 × 1,089.84
4. Step 4: Simplify right side
   2,129.93x = 3,483,698.08
5. Step 5: Solve for x
   x = 3,483,698.08/2,129.93
6. Step 6: Final answer
   x = 1,635.60