Finding the Fourth Proportional to 73,993.60, 102,091.48 and 42,161.82

Step by Step Solution

1. Step 1: Write the proportion equation
   73,993.60 : 102,091.48 = 42,161.82 : x
2. Step 2: Convert to fraction form
   73,993.60/102,091.48 = 42,161.82/x
3. Step 3: Cross multiply
   73,993.60x = 102,091.48 × 42,161.82
4. Step 4: Simplify right side
   73,993.60x = 4,304,362,603.29
5. Step 5: Solve for x
   x = 4,304,362,603.29/73,993.60
6. Step 6: Final answer
   x = 58,172.09