Finding the Fourth Proportional to 550,019.94, 825,030.56 and 150,664.15

Step by Step Solution

1. Step 1: Write the proportion equation
   550,019.94 : 825,030.56 = 150,664.15 : x
2. Step 2: Convert to fraction form
   550,019.94/825,030.56 = 150,664.15/x
3. Step 3: Cross multiply
   550,019.94x = 825,030.56 × 150,664.15
4. Step 4: Simplify right side
   550,019.94x = 124,302,528,046.42
5. Step 5: Solve for x
   x = 124,302,528,046.42/550,019.94
6. Step 6: Final answer
   x = 225,996.41