Finding the Fourth Proportional to 32,601.82, 45,018.09 and 20,686.30

Step by Step Solution

1. Step 1: Write the proportion equation
   32,601.82 : 45,018.09 = 20,686.30 : x
2. Step 2: Convert to fraction form
   32,601.82/45,018.09 = 20,686.30/x
3. Step 3: Cross multiply
   32,601.82x = 45,018.09 × 20,686.30
4. Step 4: Simplify right side
   32,601.82x = 931,257,715.17
5. Step 5: Solve for x
   x = 931,257,715.17/32,601.82
6. Step 6: Final answer
   x = 28,564.59