Finding the Fourth Proportional to 8,789.34, 12,130.65 and 5,012.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.34 : 12,130.65 = 5,012.51 : x
2. Step 2: Convert to fraction form
   8,789.34/12,130.65 = 5,012.51/x
3. Step 3: Cross multiply
   8,789.34x = 12,130.65 × 5,012.51
4. Step 4: Simplify right side
   8,789.34x = 60,805,004.43
5. Step 5: Solve for x
   x = 60,805,004.43/8,789.34
6. Step 6: Final answer
   x = 6,918.04