Finding the Fourth Proportional to 89,127.93, 123,052.47 and 57,352.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,127.93 : 123,052.47 = 57,352.05 : x
2. Step 2: Convert to fraction form
   89,127.93/123,052.47 = 57,352.05/x
3. Step 3: Cross multiply
   89,127.93x = 123,052.47 × 57,352.05
4. Step 4: Simplify right side
   89,127.93x = 7,057,311,412.06
5. Step 5: Solve for x
   x = 7,057,311,412.06/89,127.93
6. Step 6: Final answer
   x = 79,181.82