Finding the Fourth Proportional to 2,100.91, 2,899.23 and 1,156.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.91 : 2,899.23 = 1,156.75 : x
2. Step 2: Convert to fraction form
   2,100.91/2,899.23 = 1,156.75/x
3. Step 3: Cross multiply
   2,100.91x = 2,899.23 × 1,156.75
4. Step 4: Simplify right side
   2,100.91x = 3,353,684.30
5. Step 5: Solve for x
   x = 3,353,684.30/2,100.91
6. Step 6: Final answer
   x = 1,596.30