Finding the Fourth Proportional to 1,667.01, 2,499.99 and 692.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.01 : 2,499.99 = 692.88 : x
2. Step 2: Convert to fraction form
   1,667.01/2,499.99 = 692.88/x
3. Step 3: Cross multiply
   1,667.01x = 2,499.99 × 692.88
4. Step 4: Simplify right side
   1,667.01x = 1,732,180.57
5. Step 5: Solve for x
   x = 1,732,180.57/1,667.01
6. Step 6: Final answer
   x = 1,039.09