Finding the Fourth Proportional to 12,310.53, 18,465.83 and 4,915.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,310.53 : 18,465.83 = 4,915.59 : x
2. Step 2: Convert to fraction form
   12,310.53/18,465.83 = 4,915.59/x
3. Step 3: Cross multiply
   12,310.53x = 18,465.83 × 4,915.59
4. Step 4: Simplify right side
   12,310.53x = 90,770,424.71
5. Step 5: Solve for x
   x = 90,770,424.71/12,310.53
6. Step 6: Final answer
   x = 7,373.40