Finding the Fourth Proportional to 2,093.04, 3,139.28 and 1,157.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.04 : 3,139.28 = 1,157.72 : x
2. Step 2: Convert to fraction form
   2,093.04/3,139.28 = 1,157.72/x
3. Step 3: Cross multiply
   2,093.04x = 3,139.28 × 1,157.72
4. Step 4: Simplify right side
   2,093.04x = 3,634,385.76
5. Step 5: Solve for x
   x = 3,634,385.76/2,093.04
6. Step 6: Final answer
   x = 1,736.41