Finding the Fourth Proportional to 2,373.30, 3,558.56 and 1,139.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.30 : 3,558.56 = 1,139.02 : x
2. Step 2: Convert to fraction form
   2,373.30/3,558.56 = 1,139.02/x
3. Step 3: Cross multiply
   2,373.30x = 3,558.56 × 1,139.02
4. Step 4: Simplify right side
   2,373.30x = 4,053,256.42
5. Step 5: Solve for x
   x = 4,053,256.42/2,373.30
6. Step 6: Final answer
   x = 1,707.86