Finding the Fourth Proportional to 12,697.86, 19,053.87 and 4,805.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.86 : 19,053.87 = 4,805.63 : x
2. Step 2: Convert to fraction form
   12,697.86/19,053.87 = 4,805.63/x
3. Step 3: Cross multiply
   12,697.86x = 19,053.87 × 4,805.63
4. Step 4: Simplify right side
   12,697.86x = 91,565,754.02
5. Step 5: Solve for x
   x = 91,565,754.02/12,697.86
6. Step 6: Final answer
   x = 7,211.12