Finding the Fourth Proportional to 13,123.86, 19,683.10 and 3,761.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.86 : 19,683.10 = 3,761.37 : x
2. Step 2: Convert to fraction form
   13,123.86/19,683.10 = 3,761.37/x
3. Step 3: Cross multiply
   13,123.86x = 19,683.10 × 3,761.37
4. Step 4: Simplify right side
   13,123.86x = 74,035,426.55
5. Step 5: Solve for x
   x = 74,035,426.55/13,123.86
6. Step 6: Final answer
   x = 5,641.29