Finding the Fourth Proportional to 6,870.30, 10,296.18 and 5,012.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.30 : 10,296.18 = 5,012.70 : x
2. Step 2: Convert to fraction form
   6,870.30/10,296.18 = 5,012.70/x
3. Step 3: Cross multiply
   6,870.30x = 10,296.18 × 5,012.70
4. Step 4: Simplify right side
   6,870.30x = 51,611,661.49
5. Step 5: Solve for x
   x = 51,611,661.49/6,870.30
6. Step 6: Final answer
   x = 7,512.29