Finding the Fourth Proportional to 13,141.41, 19,710.78 and 4,375.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141.41 : 19,710.78 = 4,375.38 : x
2. Step 2: Convert to fraction form
   13,141.41/19,710.78 = 4,375.38/x
3. Step 3: Cross multiply
   13,141.41x = 19,710.78 × 4,375.38
4. Step 4: Simplify right side
   13,141.41x = 86,242,152.60
5. Step 5: Solve for x
   x = 86,242,152.60/13,141.41
6. Step 6: Final answer
   x = 6,562.63