Finding the Fourth Proportional to 1,666.09, 2,499.27 and 692.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.09 : 2,499.27 = 692.83 : x
2. Step 2: Convert to fraction form
   1,666.09/2,499.27 = 692.83/x
3. Step 3: Cross multiply
   1,666.09x = 2,499.27 × 692.83
4. Step 4: Simplify right side
   1,666.09x = 1,731,569.23
5. Step 5: Solve for x
   x = 1,731,569.23/1,666.09
6. Step 6: Final answer
   x = 1,039.30