Finding the Fourth Proportional to 74,648, 111,978.48 and 19,244

Step by Step Solution

1. Step 1: Write the proportion equation
   74,648 : 111,978.48 = 19,244 : x
2. Step 2: Convert to fraction form
   74,648/111,978.48 = 19,244/x
3. Step 3: Cross multiply
   74,648x = 111,978.48 × 19,244
4. Step 4: Simplify right side
   74,648x = 2,154,913,869.12
5. Step 5: Solve for x
   x = 2,154,913,869.12/74,648
6. Step 6: Final answer
   x = 28,867.67