Finding the Fourth Proportional to 1,926.09, 2,885.31 and 1,267.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.09 : 2,885.31 = 1,267.38 : x
2. Step 2: Convert to fraction form
   1,926.09/2,885.31 = 1,267.38/x
3. Step 3: Cross multiply
   1,926.09x = 2,885.31 × 1,267.38
4. Step 4: Simplify right side
   1,926.09x = 3,656,784.19
5. Step 5: Solve for x
   x = 3,656,784.19/1,926.09
6. Step 6: Final answer
   x = 1,898.55