Finding the Fourth Proportional to 1,816.69, 2,507.24 and 1,030.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.69 : 2,507.24 = 1,030.88 : x
2. Step 2: Convert to fraction form
   1,816.69/2,507.24 = 1,030.88/x
3. Step 3: Cross multiply
   1,816.69x = 2,507.24 × 1,030.88
4. Step 4: Simplify right side
   1,816.69x = 2,584,663.57
5. Step 5: Solve for x
   x = 2,584,663.57/1,816.69
6. Step 6: Final answer
   x = 1,422.73