Finding the Fourth Proportional to 69,456.72, 104,189.94 and 34,386.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,456.72 : 104,189.94 = 34,386.96 : x
2. Step 2: Convert to fraction form
   69,456.72/104,189.94 = 34,386.96/x
3. Step 3: Cross multiply
   69,456.72x = 104,189.94 × 34,386.96
4. Step 4: Simplify right side
   69,456.72x = 3,582,775,299.18
5. Step 5: Solve for x
   x = 3,582,775,299.18/69,456.72
6. Step 6: Final answer
   x = 51,582.85