Finding the Fourth Proportional to 2,051.35, 2,830.82 and 1,155.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.35 : 2,830.82 = 1,155.08 : x
2. Step 2: Convert to fraction form
   2,051.35/2,830.82 = 1,155.08/x
3. Step 3: Cross multiply
   2,051.35x = 2,830.82 × 1,155.08
4. Step 4: Simplify right side
   2,051.35x = 3,269,824.87
5. Step 5: Solve for x
   x = 3,269,824.87/2,051.35
6. Step 6: Final answer
   x = 1,593.99