Finding the Fourth Proportional to 1,815.02, 2,504.72 and 1,029.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.02 : 2,504.72 = 1,029.06 : x
2. Step 2: Convert to fraction form
   1,815.02/2,504.72 = 1,029.06/x
3. Step 3: Cross multiply
   1,815.02x = 2,504.72 × 1,029.06
4. Step 4: Simplify right side
   1,815.02x = 2,577,502.02
5. Step 5: Solve for x
   x = 2,577,502.02/1,815.02
6. Step 6: Final answer
   x = 1,420.10