Finding the Fourth Proportional to 718,791.27, 1,078,072.61 and 238,979.15

Step by Step Solution

1. Step 1: Write the proportion equation
   718,791.27 : 1,078,072.61 = 238,979.15 : x
2. Step 2: Convert to fraction form
   718,791.27/1,078,072.61 = 238,979.15/x
3. Step 3: Cross multiply
   718,791.27x = 1,078,072.61 × 238,979.15
4. Step 4: Simplify right side
   718,791.27x = 257,636,869,390.82
5. Step 5: Solve for x
   x = 257,636,869,390.82/718,791.27
6. Step 6: Final answer
   x = 358,430.72