Finding the Fourth Proportional to 349,667.60, 482,540.59 and 196,705.91

Step by Step Solution

1. Step 1: Write the proportion equation
   349,667.60 : 482,540.59 = 196,705.91 : x
2. Step 2: Convert to fraction form
   349,667.60/482,540.59 = 196,705.91/x
3. Step 3: Cross multiply
   349,667.60x = 482,540.59 × 196,705.91
4. Step 4: Simplify right side
   349,667.60x = 94,918,585,867.89
5. Step 5: Solve for x
   x = 94,918,585,867.89/349,667.60
6. Step 6: Final answer
   x = 271,453.76