Finding the Fourth Proportional to 2,051.09, 2,830.25 and 1,154.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.09 : 2,830.25 = 1,154.72 : x
2. Step 2: Convert to fraction form
   2,051.09/2,830.25 = 1,154.72/x
3. Step 3: Cross multiply
   2,051.09x = 2,830.25 × 1,154.72
4. Step 4: Simplify right side
   2,051.09x = 3,268,126.36
5. Step 5: Solve for x
   x = 3,268,126.36/2,051.09
6. Step 6: Final answer
   x = 1,593.36