Finding the Fourth Proportional to 191,078.76, 263,683.02 and 109,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   191,078.76 : 263,683.02 = 109,404.30 : x
2. Step 2: Convert to fraction form
   191,078.76/263,683.02 = 109,404.30/x
3. Step 3: Cross multiply
   191,078.76x = 263,683.02 × 109,404.30
4. Step 4: Simplify right side
   191,078.76x = 28,848,056,224.99
5. Step 5: Solve for x
   x = 28,848,056,224.99/191,078.76
6. Step 6: Final answer
   x = 150,974.69