Finding the Fourth Proportional to 148,396.86, 204,780.42 and 83,867.40

Step by Step Solution

1. Step 1: Write the proportion equation
   148,396.86 : 204,780.42 = 83,867.40 : x
2. Step 2: Convert to fraction form
   148,396.86/204,780.42 = 83,867.40/x
3. Step 3: Cross multiply
   148,396.86x = 204,780.42 × 83,867.40
4. Step 4: Simplify right side
   148,396.86x = 17,174,401,396.31
5. Step 5: Solve for x
   x = 17,174,401,396.31/148,396.86
6. Step 6: Final answer
   x = 115,732.92