Finding the Fourth Proportional to 1,816.34, 2,506.69 and 1,030.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.34 : 2,506.69 = 1,030.42 : x
2. Step 2: Convert to fraction form
   1,816.34/2,506.69 = 1,030.42/x
3. Step 3: Cross multiply
   1,816.34x = 2,506.69 × 1,030.42
4. Step 4: Simplify right side
   1,816.34x = 2,582,943.51
5. Step 5: Solve for x
   x = 2,582,943.51/1,816.34
6. Step 6: Final answer
   x = 1,422.06