Finding the Fourth Proportional to 78,048, 117,067.88 and 21,892.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,048 : 117,067.88 = 21,892.01 : x
2. Step 2: Convert to fraction form
   78,048/117,067.88 = 21,892.01/x
3. Step 3: Cross multiply
   78,048x = 117,067.88 × 21,892.01
4. Step 4: Simplify right side
   78,048x = 2,562,850,669.03
5. Step 5: Solve for x
   x = 2,562,850,669.03/78,048
6. Step 6: Final answer
   x = 32,836.85