Finding the Fourth Proportional to 10,155.53, 15,231.72 and 3,918.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.53 : 15,231.72 = 3,918.46 : x
2. Step 2: Convert to fraction form
   10,155.53/15,231.72 = 3,918.46/x
3. Step 3: Cross multiply
   10,155.53x = 15,231.72 × 3,918.46
4. Step 4: Simplify right side
   10,155.53x = 59,684,885.55
5. Step 5: Solve for x
   x = 59,684,885.55/10,155.53
6. Step 6: Final answer
   x = 5,877.08