Finding the Fourth Proportional to 32,900.10, 49,386.60 and 20,434.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,900.10 : 49,386.60 = 20,434.20 : x
2. Step 2: Convert to fraction form
   32,900.10/49,386.60 = 20,434.20/x
3. Step 3: Cross multiply
   32,900.10x = 49,386.60 × 20,434.20
4. Step 4: Simplify right side
   32,900.10x = 1,009,175,661.72
5. Step 5: Solve for x
   x = 1,009,175,661.72/32,900.10
6. Step 6: Final answer
   x = 30,673.94