Finding the Fourth Proportional to 345,469.58, 476,740.82 and 192,507.15

Step by Step Solution

1. Step 1: Write the proportion equation
   345,469.58 : 476,740.82 = 192,507.15 : x
2. Step 2: Convert to fraction form
   345,469.58/476,740.82 = 192,507.15/x
3. Step 3: Cross multiply
   345,469.58x = 476,740.82 × 192,507.15
4. Step 4: Simplify right side
   345,469.58x = 91,776,015,584.33
5. Step 5: Solve for x
   x = 91,776,015,584.33/345,469.58
6. Step 6: Final answer
   x = 265,655.86