Finding the Fourth Proportional to 277,796.60, 383,357.25 and 156,935.69

Step by Step Solution

1. Step 1: Write the proportion equation
   277,796.60 : 383,357.25 = 156,935.69 : x
2. Step 2: Convert to fraction form
   277,796.60/383,357.25 = 156,935.69/x
3. Step 3: Cross multiply
   277,796.60x = 383,357.25 × 156,935.69
4. Step 4: Simplify right side
   277,796.60x = 60,162,432,628.47
5. Step 5: Solve for x
   x = 60,162,432,628.47/277,796.60
6. Step 6: Final answer
   x = 216,570.09