Finding the Fourth Proportional to 123,817.92, 185,736.72 and 74,236.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,817.92 : 185,736.72 = 74,236.32 : x
2. Step 2: Convert to fraction form
   123,817.92/185,736.72 = 74,236.32/x
3. Step 3: Cross multiply
   123,817.92x = 185,736.72 × 74,236.32
4. Step 4: Simplify right side
   123,817.92x = 13,788,410,581.67
5. Step 5: Solve for x
   x = 13,788,410,581.67/123,817.92
6. Step 6: Final answer
   x = 111,360.38