Finding the Fourth Proportional to 260,475.34, 390,783.15 and 134,046.69

Step by Step Solution

1. Step 1: Write the proportion equation
   260,475.34 : 390,783.15 = 134,046.69 : x
2. Step 2: Convert to fraction form
   260,475.34/390,783.15 = 134,046.69/x
3. Step 3: Cross multiply
   260,475.34x = 390,783.15 × 134,046.69
4. Step 4: Simplify right side
   260,475.34x = 52,383,187,765.27
5. Step 5: Solve for x
   x = 52,383,187,765.27/260,475.34
6. Step 6: Final answer
   x = 201,106.13