Finding the Fourth Proportional to 1,667.39, 2,498.85 and 692.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.39 : 2,498.85 = 692.96 : x
2. Step 2: Convert to fraction form
   1,667.39/2,498.85 = 692.96/x
3. Step 3: Cross multiply
   1,667.39x = 2,498.85 × 692.96
4. Step 4: Simplify right side
   1,667.39x = 1,731,590.60
5. Step 5: Solve for x
   x = 1,731,590.60/1,667.39
6. Step 6: Final answer
   x = 1,038.51