Finding the Fourth Proportional to 191,956.36, 287,811.51 and 79,714.05

Step by Step Solution

1. Step 1: Write the proportion equation
   191,956.36 : 287,811.51 = 79,714.05 : x
2. Step 2: Convert to fraction form
   191,956.36/287,811.51 = 79,714.05/x
3. Step 3: Cross multiply
   191,956.36x = 287,811.51 × 79,714.05
4. Step 4: Simplify right side
   191,956.36x = 22,942,621,098.72
5. Step 5: Solve for x
   x = 22,942,621,098.72/191,956.36
6. Step 6: Final answer
   x = 119,519.99