Finding the Fourth Proportional to 372,090.33, 557,807.81 and 147,608.42

Step by Step Solution

1. Step 1: Write the proportion equation
   372,090.33 : 557,807.81 = 147,608.42 : x
2. Step 2: Convert to fraction form
   372,090.33/557,807.81 = 147,608.42/x
3. Step 3: Cross multiply
   372,090.33x = 557,807.81 × 147,608.42
4. Step 4: Simplify right side
   372,090.33x = 82,337,126,708.72
5. Step 5: Solve for x
   x = 82,337,126,708.72/372,090.33
6. Step 6: Final answer
   x = 221,282.63