Finding the Fourth Proportional to 1,842.63, 2,761.17 and 1,021.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.63 : 2,761.17 = 1,021.10 : x
2. Step 2: Convert to fraction form
   1,842.63/2,761.17 = 1,021.10/x
3. Step 3: Cross multiply
   1,842.63x = 2,761.17 × 1,021.10
4. Step 4: Simplify right side
   1,842.63x = 2,819,416.88
5. Step 5: Solve for x
   x = 2,819,416.88/1,842.63
6. Step 6: Final answer
   x = 1,530.10