Finding the Fourth Proportional to 148,115.86, 204,387.15 and 83,581.54

Step by Step Solution

1. Step 1: Write the proportion equation
   148,115.86 : 204,387.15 = 83,581.54 : x
2. Step 2: Convert to fraction form
   148,115.86/204,387.15 = 83,581.54/x
3. Step 3: Cross multiply
   148,115.86x = 204,387.15 × 83,581.54
4. Step 4: Simplify right side
   148,115.86x = 17,082,992,753.21
5. Step 5: Solve for x
   x = 17,082,992,753.21/148,115.86
6. Step 6: Final answer
   x = 115,335.34