Finding the Fourth Proportional to 10,308.83, 15,459.48 and 4,386.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.83 : 15,459.48 = 4,386.11 : x
2. Step 2: Convert to fraction form
   10,308.83/15,459.48 = 4,386.11/x
3. Step 3: Cross multiply
   10,308.83x = 15,459.48 × 4,386.11
4. Step 4: Simplify right side
   10,308.83x = 67,806,902.53
5. Step 5: Solve for x
   x = 67,806,902.53/10,308.83
6. Step 6: Final answer
   x = 6,577.56