Finding the Fourth Proportional to 2,308.51, 3,459.89 and 1,154.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.51 : 3,459.89 = 1,154.59 : x
2. Step 2: Convert to fraction form
   2,308.51/3,459.89 = 1,154.59/x
3. Step 3: Cross multiply
   2,308.51x = 3,459.89 × 1,154.59
4. Step 4: Simplify right side
   2,308.51x = 3,994,748.62
5. Step 5: Solve for x
   x = 3,994,748.62/2,308.51
6. Step 6: Final answer
   x = 1,730.44