Finding the Fourth Proportional to 6,915.84, 10,364.04 and 3,012.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,915.84 : 10,364.04 = 3,012.06 : x
2. Step 2: Convert to fraction form
   6,915.84/10,364.04 = 3,012.06/x
3. Step 3: Cross multiply
   6,915.84x = 10,364.04 × 3,012.06
4. Step 4: Simplify right side
   6,915.84x = 31,217,110.32
5. Step 5: Solve for x
   x = 31,217,110.32/6,915.84
6. Step 6: Final answer
   x = 4,513.86