Finding the Fourth Proportional to 13,222.07, 19,830.03 and 3,860.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,222.07 : 19,830.03 = 3,860.11 : x
2. Step 2: Convert to fraction form
   13,222.07/19,830.03 = 3,860.11/x
3. Step 3: Cross multiply
   13,222.07x = 19,830.03 × 3,860.11
4. Step 4: Simplify right side
   13,222.07x = 76,546,097.10
5. Step 5: Solve for x
   x = 76,546,097.10/13,222.07
6. Step 6: Final answer
   x = 5,789.27