Finding the Fourth Proportional to 69,978.68, 104,945.28 and 23,219

Step by Step Solution

1. Step 1: Write the proportion equation
   69,978.68 : 104,945.28 = 23,219 : x
2. Step 2: Convert to fraction form
   69,978.68/104,945.28 = 23,219/x
3. Step 3: Cross multiply
   69,978.68x = 104,945.28 × 23,219
4. Step 4: Simplify right side
   69,978.68x = 2,436,724,456.32
5. Step 5: Solve for x
   x = 2,436,724,456.32/69,978.68
6. Step 6: Final answer
   x = 34,820.95