Finding the Fourth Proportional to 109,867.83, 164,632.13 and 74,189.32

Step by Step Solution

1. Step 1: Write the proportion equation
   109,867.83 : 164,632.13 = 74,189.32 : x
2. Step 2: Convert to fraction form
   109,867.83/164,632.13 = 74,189.32/x
3. Step 3: Cross multiply
   109,867.83x = 164,632.13 × 74,189.32
4. Step 4: Simplify right side
   109,867.83x = 12,213,945,774.85
5. Step 5: Solve for x
   x = 12,213,945,774.85/109,867.83
6. Step 6: Final answer
   x = 111,169.45