Finding the Fourth Proportional to 7,077.32, 10,617.51 and 2,147.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,077.32 : 10,617.51 = 2,147.33 : x
2. Step 2: Convert to fraction form
   7,077.32/10,617.51 = 2,147.33/x
3. Step 3: Cross multiply
   7,077.32x = 10,617.51 × 2,147.33
4. Step 4: Simplify right side
   7,077.32x = 22,799,254.50
5. Step 5: Solve for x
   x = 22,799,254.50/7,077.32
6. Step 6: Final answer
   x = 3,221.45