Finding the Fourth Proportional to 10,118.49, 15,167.34 and 3,877.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.49 : 15,167.34 = 3,877.05 : x
2. Step 2: Convert to fraction form
   10,118.49/15,167.34 = 3,877.05/x
3. Step 3: Cross multiply
   10,118.49x = 15,167.34 × 3,877.05
4. Step 4: Simplify right side
   10,118.49x = 58,804,535.55
5. Step 5: Solve for x
   x = 58,804,535.55/10,118.49
6. Step 6: Final answer
   x = 5,811.59