Finding the Fourth Proportional to 2,099.86, 2,897.99 and 1,155.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.86 : 2,897.99 = 1,155.84 : x
2. Step 2: Convert to fraction form
   2,099.86/2,897.99 = 1,155.84/x
3. Step 3: Cross multiply
   2,099.86x = 2,897.99 × 1,155.84
4. Step 4: Simplify right side
   2,099.86x = 3,349,611.32
5. Step 5: Solve for x
   x = 3,349,611.32/2,099.86
6. Step 6: Final answer
   x = 1,595.16