Finding the Fourth Proportional to 772,688.22, 1,159,196.49 and 240,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   772,688.22 : 1,159,196.49 = 240,196.38 : x
2. Step 2: Convert to fraction form
   772,688.22/1,159,196.49 = 240,196.38/x
3. Step 3: Cross multiply
   772,688.22x = 1,159,196.49 × 240,196.38
4. Step 4: Simplify right side
   772,688.22x = 278,434,800,606.71
5. Step 5: Solve for x
   x = 278,434,800,606.71/772,688.22
6. Step 6: Final answer
   x = 360,345.60