Finding the Fourth Proportional to 13,068.96, 19,603.40 and 3,208.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.96 : 19,603.40 = 3,208.12 : x
2. Step 2: Convert to fraction form
   13,068.96/19,603.40 = 3,208.12/x
3. Step 3: Cross multiply
   13,068.96x = 19,603.40 × 3,208.12
4. Step 4: Simplify right side
   13,068.96x = 62,890,059.61
5. Step 5: Solve for x
   x = 62,890,059.61/13,068.96
6. Step 6: Final answer
   x = 4,812.17