Finding the Fourth Proportional to 1,807.07, 2,493.76 and 1,010.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.07 : 2,493.76 = 1,010.42 : x
2. Step 2: Convert to fraction form
   1,807.07/2,493.76 = 1,010.42/x
3. Step 3: Cross multiply
   1,807.07x = 2,493.76 × 1,010.42
4. Step 4: Simplify right side
   1,807.07x = 2,519,748.69
5. Step 5: Solve for x
   x = 2,519,748.69/1,807.07
6. Step 6: Final answer
   x = 1,394.38