Finding the Fourth Proportional to 12,699.83, 19,052.06 and 4,265.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,699.83 : 19,052.06 = 4,265.48 : x
2. Step 2: Convert to fraction form
   12,699.83/19,052.06 = 4,265.48/x
3. Step 3: Cross multiply
   12,699.83x = 19,052.06 × 4,265.48
4. Step 4: Simplify right side
   12,699.83x = 81,266,064.30
5. Step 5: Solve for x
   x = 81,266,064.30/12,699.83
6. Step 6: Final answer
   x = 6,398.99