Finding the Fourth Proportional to 12,700.77, 19,052.41 and 4,379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.77 : 19,052.41 = 4,379.69 : x
2. Step 2: Convert to fraction form
   12,700.77/19,052.41 = 4,379.69/x
3. Step 3: Cross multiply
   12,700.77x = 19,052.41 × 4,379.69
4. Step 4: Simplify right side
   12,700.77x = 83,443,649.55
5. Step 5: Solve for x
   x = 83,443,649.55/12,700.77
6. Step 6: Final answer
   x = 6,569.97