Finding the Fourth Proportional to 54,189, 81,436.32 and 32,012.28

Step by Step Solution

1. Step 1: Write the proportion equation
   54,189 : 81,436.32 = 32,012.28 : x
2. Step 2: Convert to fraction form
   54,189/81,436.32 = 32,012.28/x
3. Step 3: Cross multiply
   54,189x = 81,436.32 × 32,012.28
4. Step 4: Simplify right side
   54,189x = 2,606,962,278.01
5. Step 5: Solve for x
   x = 2,606,962,278.01/54,189
6. Step 6: Final answer
   x = 48,108.70