Finding the Fourth Proportional to 1,807.96, 2,495.46 and 1,248.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.96 : 2,495.46 = 1,248.52 : x
2. Step 2: Convert to fraction form
   1,807.96/2,495.46 = 1,248.52/x
3. Step 3: Cross multiply
   1,807.96x = 2,495.46 × 1,248.52
4. Step 4: Simplify right side
   1,807.96x = 3,115,631.72
5. Step 5: Solve for x
   x = 3,115,631.72/1,807.96
6. Step 6: Final answer
   x = 1,723.29