Finding the Fourth Proportional to 109,150.74, 163,774.71 and 107,379.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,150.74 : 163,774.71 = 107,379.27 : x
2. Step 2: Convert to fraction form
   109,150.74/163,774.71 = 107,379.27/x
3. Step 3: Cross multiply
   109,150.74x = 163,774.71 × 107,379.27
4. Step 4: Simplify right side
   109,150.74x = 17,586,008,804.26
5. Step 5: Solve for x
   x = 17,586,008,804.26/109,150.74
6. Step 6: Final answer
   x = 161,116.72