Finding the Fourth Proportional to 1,666.74, 2,499.56 and 844.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.74 : 2,499.56 = 844.86 : x
2. Step 2: Convert to fraction form
   1,666.74/2,499.56 = 844.86/x
3. Step 3: Cross multiply
   1,666.74x = 2,499.56 × 844.86
4. Step 4: Simplify right side
   1,666.74x = 2,111,778.26
5. Step 5: Solve for x
   x = 2,111,778.26/1,666.74
6. Step 6: Final answer
   x = 1,267.01