Finding the Fourth Proportional to 2,101.82, 2,900.50 and 1,157.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.82 : 2,900.50 = 1,157.58 : x
2. Step 2: Convert to fraction form
   2,101.82/2,900.50 = 1,157.58/x
3. Step 3: Cross multiply
   2,101.82x = 2,900.50 × 1,157.58
4. Step 4: Simplify right side
   2,101.82x = 3,357,557.90
5. Step 5: Solve for x
   x = 3,357,557.90/2,101.82
6. Step 6: Final answer
   x = 1,597.46