Finding the Fourth Proportional to 148,087.52, 204,365.88 and 81,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   148,087.52 : 204,365.88 = 81,019.52 : x
2. Step 2: Convert to fraction form
   148,087.52/204,365.88 = 81,019.52/x
3. Step 3: Cross multiply
   148,087.52x = 204,365.88 × 81,019.52
4. Step 4: Simplify right side
   148,087.52x = 16,557,625,501.98
5. Step 5: Solve for x
   x = 16,557,625,501.98/148,087.52
6. Step 6: Final answer
   x = 111,809.73