Finding the Fourth Proportional to 1,776.42, 2,451.36 and 1,030.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.42 : 2,451.36 = 1,030.38 : x
2. Step 2: Convert to fraction form
   1,776.42/2,451.36 = 1,030.38/x
3. Step 3: Cross multiply
   1,776.42x = 2,451.36 × 1,030.38
4. Step 4: Simplify right side
   1,776.42x = 2,525,832.32
5. Step 5: Solve for x
   x = 2,525,832.32/1,776.42
6. Step 6: Final answer
   x = 1,421.87