Finding the Fourth Proportional to 550,498.78, 825,749.46 and 151,145.02

Step by Step Solution

1. Step 1: Write the proportion equation
   550,498.78 : 825,749.46 = 151,145.02 : x
2. Step 2: Convert to fraction form
   550,498.78/825,749.46 = 151,145.02/x
3. Step 3: Cross multiply
   550,498.78x = 825,749.46 × 151,145.02
4. Step 4: Simplify right side
   550,498.78x = 124,807,918,646.69
5. Step 5: Solve for x
   x = 124,807,918,646.69/550,498.78
6. Step 6: Final answer
   x = 226,717.88