Finding the Fourth Proportional to 2,088.93, 3,128.43 and 1,209.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.93 : 3,128.43 = 1,209.58 : x
2. Step 2: Convert to fraction form
   2,088.93/3,128.43 = 1,209.58/x
3. Step 3: Cross multiply
   2,088.93x = 3,128.43 × 1,209.58
4. Step 4: Simplify right side
   2,088.93x = 3,784,085.73
5. Step 5: Solve for x
   x = 3,784,085.73/2,088.93
6. Step 6: Final answer
   x = 1,811.49