Finding the Fourth Proportional to 2,667.88, 3,997.59 and 1,934.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.88 : 3,997.59 = 1,934.02 : x
2. Step 2: Convert to fraction form
   2,667.88/3,997.59 = 1,934.02/x
3. Step 3: Cross multiply
   2,667.88x = 3,997.59 × 1,934.02
4. Step 4: Simplify right side
   2,667.88x = 7,731,419.01
5. Step 5: Solve for x
   x = 7,731,419.01/2,667.88
6. Step 6: Final answer
   x = 2,897.96