Finding the Fourth Proportional to 5,022.86, 6,930.91 and 2,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,022.86 : 6,930.91 = 2,784.72 : x
2. Step 2: Convert to fraction form
   5,022.86/6,930.91 = 2,784.72/x
3. Step 3: Cross multiply
   5,022.86x = 6,930.91 × 2,784.72
4. Step 4: Simplify right side
   5,022.86x = 19,300,595.12
5. Step 5: Solve for x
   x = 19,300,595.12/5,022.86
6. Step 6: Final answer
   x = 3,842.55