Finding the Fourth Proportional to 2,543.34, 3,815.04 and 1,156.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.34 : 3,815.04 = 1,156.74 : x
2. Step 2: Convert to fraction form
   2,543.34/3,815.04 = 1,156.74/x
3. Step 3: Cross multiply
   2,543.34x = 3,815.04 × 1,156.74
4. Step 4: Simplify right side
   2,543.34x = 4,413,009.37
5. Step 5: Solve for x
   x = 4,413,009.37/2,543.34
6. Step 6: Final answer
   x = 1,735.12