Finding the Fourth Proportional to 89,260.72, 123,171.88 and 51,012.67

Step by Step Solution

1. Step 1: Write the proportion equation
   89,260.72 : 123,171.88 = 51,012.67 : x
2. Step 2: Convert to fraction form
   89,260.72/123,171.88 = 51,012.67/x
3. Step 3: Cross multiply
   89,260.72x = 123,171.88 × 51,012.67
4. Step 4: Simplify right side
   89,260.72x = 6,283,326,467.72
5. Step 5: Solve for x
   x = 6,283,326,467.72/89,260.72
6. Step 6: Final answer
   x = 70,392.96