Finding the Fourth Proportional to 2,157.01, 2,973.29 and 1,804.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.01 : 2,973.29 = 1,804.09 : x
2. Step 2: Convert to fraction form
   2,157.01/2,973.29 = 1,804.09/x
3. Step 3: Cross multiply
   2,157.01x = 2,973.29 × 1,804.09
4. Step 4: Simplify right side
   2,157.01x = 5,364,082.76
5. Step 5: Solve for x
   x = 5,364,082.76/2,157.01
6. Step 6: Final answer
   x = 2,486.81