Finding the Fourth Proportional to 10,282.98, 15,422.52 and 5,012.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,282.98 : 15,422.52 = 5,012.70 : x
2. Step 2: Convert to fraction form
   10,282.98/15,422.52 = 5,012.70/x
3. Step 3: Cross multiply
   10,282.98x = 15,422.52 × 5,012.70
4. Step 4: Simplify right side
   10,282.98x = 77,308,426.97
5. Step 5: Solve for x
   x = 77,308,426.97/10,282.98
6. Step 6: Final answer
   x = 7,518.10