Finding the Fourth Proportional to 2,390.07, 3,583.35 and 1,156.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.07 : 3,583.35 = 1,156.53 : x
2. Step 2: Convert to fraction form
   2,390.07/3,583.35 = 1,156.53/x
3. Step 3: Cross multiply
   2,390.07x = 3,583.35 × 1,156.53
4. Step 4: Simplify right side
   2,390.07x = 4,144,251.78
5. Step 5: Solve for x
   x = 4,144,251.78/2,390.07
6. Step 6: Final answer
   x = 1,733.95