Finding the Fourth Proportional to 12,697.52, 19,042.07 and 4,377.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.52 : 19,042.07 = 4,377.33 : x
2. Step 2: Convert to fraction form
   12,697.52/19,042.07 = 4,377.33/x
3. Step 3: Cross multiply
   12,697.52x = 19,042.07 × 4,377.33
4. Step 4: Simplify right side
   12,697.52x = 83,353,402.39
5. Step 5: Solve for x
   x = 83,353,402.39/12,697.52
6. Step 6: Final answer
   x = 6,564.54