Finding the Fourth Proportional to 372,057.50, 558,086.28 and 109,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,057.50 : 558,086.28 = 109,401.50 : x
2. Step 2: Convert to fraction form
   372,057.50/558,086.28 = 109,401.50/x
3. Step 3: Cross multiply
   372,057.50x = 558,086.28 × 109,401.50
4. Step 4: Simplify right side
   372,057.50x = 61,055,476,161.42
5. Step 5: Solve for x
   x = 61,055,476,161.42/372,057.50
6. Step 6: Final answer
   x = 164,102.26