Finding the Fourth Proportional to 10,118.62, 15,174.24 and 3,875.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.62 : 15,174.24 = 3,875.45 : x
2. Step 2: Convert to fraction form
   10,118.62/15,174.24 = 3,875.45/x
3. Step 3: Cross multiply
   10,118.62x = 15,174.24 × 3,875.45
4. Step 4: Simplify right side
   10,118.62x = 58,806,918.00
5. Step 5: Solve for x
   x = 58,806,918.00/10,118.62
6. Step 6: Final answer
   x = 5,811.75