Finding the Fourth Proportional to 2,100.94, 2,899.16 and 1,156.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.94 : 2,899.16 = 1,156.55 : x
2. Step 2: Convert to fraction form
   2,100.94/2,899.16 = 1,156.55/x
3. Step 3: Cross multiply
   2,100.94x = 2,899.16 × 1,156.55
4. Step 4: Simplify right side
   2,100.94x = 3,353,009.00
5. Step 5: Solve for x
   x = 3,353,009.00/2,100.94
6. Step 6: Final answer
   x = 1,595.96