Finding the Fourth Proportional to 1,816.23, 2,506.56 and 1,070.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.23 : 2,506.56 = 1,070.42 : x
2. Step 2: Convert to fraction form
   1,816.23/2,506.56 = 1,070.42/x
3. Step 3: Cross multiply
   1,816.23x = 2,506.56 × 1,070.42
4. Step 4: Simplify right side
   1,816.23x = 2,683,059.42
5. Step 5: Solve for x
   x = 2,683,059.42/1,816.23
6. Step 6: Final answer
   x = 1,477.27