Finding the Fourth Proportional to 6,970.86, 10,456.17 and 2,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,970.86 : 10,456.17 = 2,810.76 : x
2. Step 2: Convert to fraction form
   6,970.86/10,456.17 = 2,810.76/x
3. Step 3: Cross multiply
   6,970.86x = 10,456.17 × 2,810.76
4. Step 4: Simplify right side
   6,970.86x = 29,389,784.39
5. Step 5: Solve for x
   x = 29,389,784.39/6,970.86
6. Step 6: Final answer
   x = 4,216.09