Finding the Fourth Proportional to 89,253.84, 123,174 and 51,019.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,253.84 : 123,174 = 51,019.68 : x
2. Step 2: Convert to fraction form
   89,253.84/123,174 = 51,019.68/x
3. Step 3: Cross multiply
   89,253.84x = 123,174 × 51,019.68
4. Step 4: Simplify right side
   89,253.84x = 6,284,298,064.32
5. Step 5: Solve for x
   x = 6,284,298,064.32/89,253.84
6. Step 6: Final answer
   x = 70,409.27