Finding the Fourth Proportional to 1,807.19, 2,493.92 and 1,010.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.19 : 2,493.92 = 1,010.52 : x
2. Step 2: Convert to fraction form
   1,807.19/2,493.92 = 1,010.52/x
3. Step 3: Cross multiply
   1,807.19x = 2,493.92 × 1,010.52
4. Step 4: Simplify right side
   1,807.19x = 2,520,138.52
5. Step 5: Solve for x
   x = 2,520,138.52/1,807.19
6. Step 6: Final answer
   x = 1,394.50