Finding the Fourth Proportional to 89,229.09, 123,141.01 and 51,515.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,229.09 : 123,141.01 = 51,515.49 : x
2. Step 2: Convert to fraction form
   89,229.09/123,141.01 = 51,515.49/x
3. Step 3: Cross multiply
   89,229.09x = 123,141.01 × 51,515.49
4. Step 4: Simplify right side
   89,229.09x = 6,343,669,898.83
5. Step 5: Solve for x
   x = 6,343,669,898.83/89,229.09
6. Step 6: Final answer
   x = 71,094.19