Finding the Fourth Proportional to 59,686.49, 89,529.83 and 19,707.71

Step by Step Solution

1. Step 1: Write the proportion equation
   59,686.49 : 89,529.83 = 19,707.71 : x
2. Step 2: Convert to fraction form
   59,686.49/89,529.83 = 19,707.71/x
3. Step 3: Cross multiply
   59,686.49x = 89,529.83 × 19,707.71
4. Step 4: Simplify right side
   59,686.49x = 1,764,427,564.56
5. Step 5: Solve for x
   x = 1,764,427,564.56/59,686.49
6. Step 6: Final answer
   x = 29,561.59