Finding the Fourth Proportional to 1,776.30, 2,451.81 and 1,030.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.30 : 2,451.81 = 1,030.60 : x
2. Step 2: Convert to fraction form
   1,776.30/2,451.81 = 1,030.60/x
3. Step 3: Cross multiply
   1,776.30x = 2,451.81 × 1,030.60
4. Step 4: Simplify right side
   1,776.30x = 2,526,835.39
5. Step 5: Solve for x
   x = 2,526,835.39/1,776.30
6. Step 6: Final answer
   x = 1,422.53