Finding the Fourth Proportional to 12,429.03, 18,638.69 and 4,633.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.03 : 18,638.69 = 4,633.59 : x
2. Step 2: Convert to fraction form
   12,429.03/18,638.69 = 4,633.59/x
3. Step 3: Cross multiply
   12,429.03x = 18,638.69 × 4,633.59
4. Step 4: Simplify right side
   12,429.03x = 86,364,024.43
5. Step 5: Solve for x
   x = 86,364,024.43/12,429.03
6. Step 6: Final answer
   x = 6,948.57