Finding the Fourth Proportional to 718,137.32, 1,077,242.94 and 185,662.96

Step by Step Solution

1. Step 1: Write the proportion equation
   718,137.32 : 1,077,242.94 = 185,662.96 : x
2. Step 2: Convert to fraction form
   718,137.32/1,077,242.94 = 185,662.96/x
3. Step 3: Cross multiply
   718,137.32x = 1,077,242.94 × 185,662.96
4. Step 4: Simplify right side
   718,137.32x = 200,004,112,879.50
5. Step 5: Solve for x
   x = 200,004,112,879.50/718,137.32
6. Step 6: Final answer
   x = 278,504.00