Finding the Fourth Proportional to 59,390.33, 89,086.46 and 19,947.78

Step by Step Solution

1. Step 1: Write the proportion equation
   59,390.33 : 89,086.46 = 19,947.78 : x
2. Step 2: Convert to fraction form
   59,390.33/89,086.46 = 19,947.78/x
3. Step 3: Cross multiply
   59,390.33x = 89,086.46 × 19,947.78
4. Step 4: Simplify right side
   59,390.33x = 1,777,077,005.32
5. Step 5: Solve for x
   x = 1,777,077,005.32/59,390.33
6. Step 6: Final answer
   x = 29,921.99