Finding the Fourth Proportional to 13,123.22, 19,678.90 and 3,761.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.22 : 19,678.90 = 3,761.09 : x
2. Step 2: Convert to fraction form
   13,123.22/19,678.90 = 3,761.09/x
3. Step 3: Cross multiply
   13,123.22x = 19,678.90 × 3,761.09
4. Step 4: Simplify right side
   13,123.22x = 74,014,095.20
5. Step 5: Solve for x
   x = 74,014,095.20/13,123.22
6. Step 6: Final answer
   x = 5,639.94