Finding the Fourth Proportional to 82,233.72, 123,350.76 and 19,904.40

Step by Step Solution

1. Step 1: Write the proportion equation
   82,233.72 : 123,350.76 = 19,904.40 : x
2. Step 2: Convert to fraction form
   82,233.72/123,350.76 = 19,904.40/x
3. Step 3: Cross multiply
   82,233.72x = 123,350.76 × 19,904.40
4. Step 4: Simplify right side
   82,233.72x = 2,455,222,867.34
5. Step 5: Solve for x
   x = 2,455,222,867.34/82,233.72
6. Step 6: Final answer
   x = 29,856.64