Finding the Fourth Proportional to 1,667.76, 2,499.74 and 1,043.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.76 : 2,499.74 = 1,043.34 : x
2. Step 2: Convert to fraction form
   1,667.76/2,499.74 = 1,043.34/x
3. Step 3: Cross multiply
   1,667.76x = 2,499.74 × 1,043.34
4. Step 4: Simplify right side
   1,667.76x = 2,608,073.51
5. Step 5: Solve for x
   x = 2,608,073.51/1,667.76
6. Step 6: Final answer
   x = 1,563.82