Finding the Fourth Proportional to 13,201.34, 19,801.83 and 3,206.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,201.34 : 19,801.83 = 3,206.15 : x
2. Step 2: Convert to fraction form
   13,201.34/19,801.83 = 3,206.15/x
3. Step 3: Cross multiply
   13,201.34x = 19,801.83 × 3,206.15
4. Step 4: Simplify right side
   13,201.34x = 63,487,711.86
5. Step 5: Solve for x
   x = 63,487,711.86/13,201.34
6. Step 6: Final answer
   x = 4,809.19