Finding the Fourth Proportional to 605,870.31, 908,807.63 and 185,144.43

Step by Step Solution

1. Step 1: Write the proportion equation
   605,870.31 : 908,807.63 = 185,144.43 : x
2. Step 2: Convert to fraction form
   605,870.31/908,807.63 = 185,144.43/x
3. Step 3: Cross multiply
   605,870.31x = 908,807.63 × 185,144.43
4. Step 4: Simplify right side
   605,870.31x = 168,260,669,710.28
5. Step 5: Solve for x
   x = 168,260,669,710.28/605,870.31
6. Step 6: Final answer
   x = 277,717.31