Finding the Fourth Proportional to 39,433.28, 59,100.69 and 19,717.47

Step by Step Solution

1. Step 1: Write the proportion equation
   39,433.28 : 59,100.69 = 19,717.47 : x
2. Step 2: Convert to fraction form
   39,433.28/59,100.69 = 19,717.47/x
3. Step 3: Cross multiply
   39,433.28x = 59,100.69 × 19,717.47
4. Step 4: Simplify right side
   39,433.28x = 1,165,316,082.05
5. Step 5: Solve for x
   x = 1,165,316,082.05/39,433.28
6. Step 6: Final answer
   x = 29,551.59