Finding the Fourth Proportional to 2,101.32, 2,899.88 and 1,157.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.32 : 2,899.88 = 1,157.06 : x
2. Step 2: Convert to fraction form
   2,101.32/2,899.88 = 1,157.06/x
3. Step 3: Cross multiply
   2,101.32x = 2,899.88 × 1,157.06
4. Step 4: Simplify right side
   2,101.32x = 3,355,320.65
5. Step 5: Solve for x
   x = 3,355,320.65/2,101.32
6. Step 6: Final answer
   x = 1,596.77