Finding the Fourth Proportional to 1,996.62, 2,992.50 and 900.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.62 : 2,992.50 = 900.69 : x
2. Step 2: Convert to fraction form
   1,996.62/2,992.50 = 900.69/x
3. Step 3: Cross multiply
   1,996.62x = 2,992.50 × 900.69
4. Step 4: Simplify right side
   1,996.62x = 2,695,314.83
5. Step 5: Solve for x
   x = 2,695,314.83/1,996.62
6. Step 6: Final answer
   x = 1,349.94