Finding the Fourth Proportional to 1,783.12, 2,460.83 and 1,037.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.12 : 2,460.83 = 1,037.30 : x
2. Step 2: Convert to fraction form
   1,783.12/2,460.83 = 1,037.30/x
3. Step 3: Cross multiply
   1,783.12x = 2,460.83 × 1,037.30
4. Step 4: Simplify right side
   1,783.12x = 2,552,618.96
5. Step 5: Solve for x
   x = 2,552,618.96/1,783.12
6. Step 6: Final answer
   x = 1,431.55