Finding the Fourth Proportional to 2,102.51, 2,901.35 and 1,158.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.51 : 2,901.35 = 1,158.27 : x
2. Step 2: Convert to fraction form
   2,102.51/2,901.35 = 1,158.27/x
3. Step 3: Cross multiply
   2,102.51x = 2,901.35 × 1,158.27
4. Step 4: Simplify right side
   2,102.51x = 3,360,549.56
5. Step 5: Solve for x
   x = 3,360,549.56/2,102.51
6. Step 6: Final answer
   x = 1,598.35