Finding the Fourth Proportional to 35,123.16, 48,465.18 and 20,973

Step by Step Solution

1. Step 1: Write the proportion equation
   35,123.16 : 48,465.18 = 20,973 : x
2. Step 2: Convert to fraction form
   35,123.16/48,465.18 = 20,973/x
3. Step 3: Cross multiply
   35,123.16x = 48,465.18 × 20,973
4. Step 4: Simplify right side
   35,123.16x = 1,016,460,220.14
5. Step 5: Solve for x
   x = 1,016,460,220.14/35,123.16
6. Step 6: Final answer
   x = 28,939.89