Finding the Fourth Proportional to 3,465.51, 5,196.63 and 1,155.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465.51 : 5,196.63 = 1,155.39 : x
2. Step 2: Convert to fraction form
   3,465.51/5,196.63 = 1,155.39/x
3. Step 3: Cross multiply
   3,465.51x = 5,196.63 × 1,155.39
4. Step 4: Simplify right side
   3,465.51x = 6,004,134.34
5. Step 5: Solve for x
   x = 6,004,134.34/3,465.51
6. Step 6: Final answer
   x = 1,732.54