Finding the Fourth Proportional to 1,816.71, 2,507.13 and 1,030.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.71 : 2,507.13 = 1,030.83 : x
2. Step 2: Convert to fraction form
   1,816.71/2,507.13 = 1,030.83/x
3. Step 3: Cross multiply
   1,816.71x = 2,507.13 × 1,030.83
4. Step 4: Simplify right side
   1,816.71x = 2,584,424.82
5. Step 5: Solve for x
   x = 2,584,424.82/1,816.71
6. Step 6: Final answer
   x = 1,422.59