Finding the Fourth Proportional to 12,888.83, 19,336.01 and 4,003.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,888.83 : 19,336.01 = 4,003.98 : x
2. Step 2: Convert to fraction form
   12,888.83/19,336.01 = 4,003.98/x
3. Step 3: Cross multiply
   12,888.83x = 19,336.01 × 4,003.98
4. Step 4: Simplify right side
   12,888.83x = 77,420,977.30
5. Step 5: Solve for x
   x = 77,420,977.30/12,888.83
6. Step 6: Final answer
   x = 6,006.83