Finding the Fourth Proportional to 1,667.34, 2,299.01 and 1,247.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.34 : 2,299.01 = 1,247.00 : x
2. Step 2: Convert to fraction form
   1,667.34/2,299.01 = 1,247.00/x
3. Step 3: Cross multiply
   1,667.34x = 2,299.01 × 1,247.00
4. Step 4: Simplify right side
   1,667.34x = 2,866,847.74
5. Step 5: Solve for x
   x = 2,866,847.74/1,667.34
6. Step 6: Final answer
   x = 1,719.41