Finding the Fourth Proportional to 10,131.23, 15,189.68 and 3,885.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.23 : 15,189.68 = 3,885.98 : x
2. Step 2: Convert to fraction form
   10,131.23/15,189.68 = 3,885.98/x
3. Step 3: Cross multiply
   10,131.23x = 15,189.68 × 3,885.98
4. Step 4: Simplify right side
   10,131.23x = 59,026,704.59
5. Step 5: Solve for x
   x = 59,026,704.59/10,131.23
6. Step 6: Final answer
   x = 5,826.21