Finding the Fourth Proportional to 1,820.64, 2,512.59 and 1,034.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.64 : 2,512.59 = 1,034.94 : x
2. Step 2: Convert to fraction form
   1,820.64/2,512.59 = 1,034.94/x
3. Step 3: Cross multiply
   1,820.64x = 2,512.59 × 1,034.94
4. Step 4: Simplify right side
   1,820.64x = 2,600,379.89
5. Step 5: Solve for x
   x = 2,600,379.89/1,820.64
6. Step 6: Final answer
   x = 1,428.28