Finding the Fourth Proportional to 8,530.74, 12,759.12 and 5,012.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,530.74 : 12,759.12 = 5,012.37 : x
2. Step 2: Convert to fraction form
   8,530.74/12,759.12 = 5,012.37/x
3. Step 3: Cross multiply
   8,530.74x = 12,759.12 × 5,012.37
4. Step 4: Simplify right side
   8,530.74x = 63,953,430.31
5. Step 5: Solve for x
   x = 63,953,430.31/8,530.74
6. Step 6: Final answer
   x = 7,496.82