Finding the Fourth Proportional to 2,038.89, 2,814.22 and 1,199.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.89 : 2,814.22 = 1,199.86 : x
2. Step 2: Convert to fraction form
   2,038.89/2,814.22 = 1,199.86/x
3. Step 3: Cross multiply
   2,038.89x = 2,814.22 × 1,199.86
4. Step 4: Simplify right side
   2,038.89x = 3,376,667.01
5. Step 5: Solve for x
   x = 3,376,667.01/2,038.89
6. Step 6: Final answer
   x = 1,656.13