Finding the Fourth Proportional to 403,632.27, 605,104.58 and 178,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   403,632.27 : 605,104.58 = 178,870.16 : x
2. Step 2: Convert to fraction form
   403,632.27/605,104.58 = 178,870.16/x
3. Step 3: Cross multiply
   403,632.27x = 605,104.58 × 178,870.16
4. Step 4: Simplify right side
   403,632.27x = 108,235,155,001.27
5. Step 5: Solve for x
   x = 108,235,155,001.27/403,632.27
6. Step 6: Final answer
   x = 268,152.88