Finding the Fourth Proportional to 3,620.14, 5,429.96 and 1,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620.14 : 5,429.96 = 1,156.72 : x
2. Step 2: Convert to fraction form
   3,620.14/5,429.96 = 1,156.72/x
3. Step 3: Cross multiply
   3,620.14x = 5,429.96 × 1,156.72
4. Step 4: Simplify right side
   3,620.14x = 6,280,943.33
5. Step 5: Solve for x
   x = 6,280,943.33/3,620.14
6. Step 6: Final answer
   x = 1,735.00