Finding the Fourth Proportional to 298,935.63, 412,297.83 and 191,515.59

Step by Step Solution

1. Step 1: Write the proportion equation
   298,935.63 : 412,297.83 = 191,515.59 : x
2. Step 2: Convert to fraction form
   298,935.63/412,297.83 = 191,515.59/x
3. Step 3: Cross multiply
   298,935.63x = 412,297.83 × 191,515.59
4. Step 4: Simplify right side
   298,935.63x = 78,961,462,168.17
5. Step 5: Solve for x
   x = 78,961,462,168.17/298,935.63
6. Step 6: Final answer
   x = 264,142.02