Finding the Fourth Proportional to 274,665.46, 379,007.01 and 153,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   274,665.46 : 379,007.01 = 153,789.94 : x
2. Step 2: Convert to fraction form
   274,665.46/379,007.01 = 153,789.94/x
3. Step 3: Cross multiply
   274,665.46x = 379,007.01 × 153,789.94
4. Step 4: Simplify right side
   274,665.46x = 58,287,465,327.48
5. Step 5: Solve for x
   x = 58,287,465,327.48/274,665.46
6. Step 6: Final answer
   x = 212,212.58