Finding the Fourth Proportional to 138,796.32, 191,861.73 and 123,837.24

Step by Step Solution

1. Step 1: Write the proportion equation
   138,796.32 : 191,861.73 = 123,837.24 : x
2. Step 2: Convert to fraction form
   138,796.32/191,861.73 = 123,837.24/x
3. Step 3: Cross multiply
   138,796.32x = 191,861.73 × 123,837.24
4. Step 4: Simplify right side
   138,796.32x = 23,759,627,104.83
5. Step 5: Solve for x
   x = 23,759,627,104.83/138,796.32
6. Step 6: Final answer
   x = 171,183.41