Finding the Fourth Proportional to 10,109.52, 15,163.53 and 3,870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.52 : 15,163.53 = 3,870.09 : x
2. Step 2: Convert to fraction form
   10,109.52/15,163.53 = 3,870.09/x
3. Step 3: Cross multiply
   10,109.52x = 15,163.53 × 3,870.09
4. Step 4: Simplify right side
   10,109.52x = 58,684,225.82
5. Step 5: Solve for x
   x = 58,684,225.82/10,109.52
6. Step 6: Final answer
   x = 5,804.85