Finding the Fourth Proportional to 340,456.96, 510,918.72 and 118,840.96

Step by Step Solution

1. Step 1: Write the proportion equation
   340,456.96 : 510,918.72 = 118,840.96 : x
2. Step 2: Convert to fraction form
   340,456.96/510,918.72 = 118,840.96/x
3. Step 3: Cross multiply
   340,456.96x = 510,918.72 × 118,840.96
4. Step 4: Simplify right side
   340,456.96x = 60,718,071,166.77
5. Step 5: Solve for x
   x = 60,718,071,166.77/340,456.96
6. Step 6: Final answer
   x = 178,342.87