Finding the Fourth Proportional to 2,858,089.69, 4,287,976.70 and 1,151,354.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858,089.69 : 4,287,976.70 = 1,151,354.72 : x
2. Step 2: Convert to fraction form
   2,858,089.69/4,287,976.70 = 1,151,354.72/x
3. Step 3: Cross multiply
   2,858,089.69x = 4,287,976.70 × 1,151,354.72
4. Step 4: Simplify right side
   2,858,089.69x = 4,936,982,215,412.81
5. Step 5: Solve for x
   x = 4,936,982,215,412.81/2,858,089.69
6. Step 6: Final answer
   x = 1,727,371.34