Finding the Fourth Proportional to 1,769.31, 2,650.32 and 1,251.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.31 : 2,650.32 = 1,251.72 : x
2. Step 2: Convert to fraction form
   1,769.31/2,650.32 = 1,251.72/x
3. Step 3: Cross multiply
   1,769.31x = 2,650.32 × 1,251.72
4. Step 4: Simplify right side
   1,769.31x = 3,317,458.55
5. Step 5: Solve for x
   x = 3,317,458.55/1,769.31
6. Step 6: Final answer
   x = 1,875.00