Finding the Fourth Proportional to 277,796.10, 383,421.52 and 157,007.46

Step by Step Solution

1. Step 1: Write the proportion equation
   277,796.10 : 383,421.52 = 157,007.46 : x
2. Step 2: Convert to fraction form
   277,796.10/383,421.52 = 157,007.46/x
3. Step 3: Cross multiply
   277,796.10x = 383,421.52 × 157,007.46
4. Step 4: Simplify right side
   277,796.10x = 60,200,038,964.54
5. Step 5: Solve for x
   x = 60,200,038,964.54/277,796.10
6. Step 6: Final answer
   x = 216,705.85