Finding the Fourth Proportional to 2,047.69, 3,071.55 and 508.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.69 : 3,071.55 = 508.69 : x
2. Step 2: Convert to fraction form
   2,047.69/3,071.55 = 508.69/x
3. Step 3: Cross multiply
   2,047.69x = 3,071.55 × 508.69
4. Step 4: Simplify right side
   2,047.69x = 1,562,460.36
5. Step 5: Solve for x
   x = 1,562,460.36/2,047.69
6. Step 6: Final answer
   x = 763.04