Finding the Fourth Proportional to 148,085.52, 204,363.12 and 81,017.52

Step by Step Solution

1. Step 1: Write the proportion equation
   148,085.52 : 204,363.12 = 81,017.52 : x
2. Step 2: Convert to fraction form
   148,085.52/204,363.12 = 81,017.52/x
3. Step 3: Cross multiply
   148,085.52x = 204,363.12 × 81,017.52
4. Step 4: Simplify right side
   148,085.52x = 16,556,993,161.86
5. Step 5: Solve for x
   x = 16,556,993,161.86/148,085.52
6. Step 6: Final answer
   x = 111,806.97