Finding the Fourth Proportional to 349,906.59, 483,103.50 and 269,191.71

Step by Step Solution

1. Step 1: Write the proportion equation
   349,906.59 : 483,103.50 = 269,191.71 : x
2. Step 2: Convert to fraction form
   349,906.59/483,103.50 = 269,191.71/x
3. Step 3: Cross multiply
   349,906.59x = 483,103.50 × 269,191.71
4. Step 4: Simplify right side
   349,906.59x = 130,047,453,510.51
5. Step 5: Solve for x
   x = 130,047,453,510.51/349,906.59
6. Step 6: Final answer
   x = 371,663.35