Finding the Fourth Proportional to 89,434.04, 123,413.96 and 53,606.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,434.04 : 123,413.96 = 53,606.12 : x
2. Step 2: Convert to fraction form
   89,434.04/123,413.96 = 53,606.12/x
3. Step 3: Cross multiply
   89,434.04x = 123,413.96 × 53,606.12
4. Step 4: Simplify right side
   89,434.04x = 6,615,743,066.38
5. Step 5: Solve for x
   x = 6,615,743,066.38/89,434.04
6. Step 6: Final answer
   x = 73,973.44