Finding the Fourth Proportional to 372,067.50, 558,101.28 and 109,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,067.50 : 558,101.28 = 109,411.50 : x
2. Step 2: Convert to fraction form
   372,067.50/558,101.28 = 109,411.50/x
3. Step 3: Cross multiply
   372,067.50x = 558,101.28 × 109,411.50
4. Step 4: Simplify right side
   372,067.50x = 61,062,698,196.72
5. Step 5: Solve for x
   x = 61,062,698,196.72/372,067.50
6. Step 6: Final answer
   x = 164,117.26