Finding the Fourth Proportional to 2,051.59, 2,830.93 and 1,155.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.59 : 2,830.93 = 1,155.22 : x
2. Step 2: Convert to fraction form
   2,051.59/2,830.93 = 1,155.22/x
3. Step 3: Cross multiply
   2,051.59x = 2,830.93 × 1,155.22
4. Step 4: Simplify right side
   2,051.59x = 3,270,346.95
5. Step 5: Solve for x
   x = 3,270,346.95/2,051.59
6. Step 6: Final answer
   x = 1,594.05