Finding the Fourth Proportional to 13,141.31, 19,700.23 and 4,819.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141.31 : 19,700.23 = 4,819.37 : x
2. Step 2: Convert to fraction form
   13,141.31/19,700.23 = 4,819.37/x
3. Step 3: Cross multiply
   13,141.31x = 19,700.23 × 4,819.37
4. Step 4: Simplify right side
   13,141.31x = 94,942,734.66
5. Step 5: Solve for x
   x = 94,942,734.66/13,141.31
6. Step 6: Final answer
   x = 7,224.76