Finding the Fourth Proportional to 410,499,303.28, 566,274,266.52 and 253,816,324.72

Step by Step Solution

1. Step 1: Write the proportion equation
   410,499,303.28 : 566,274,266.52 = 253,816,324.72 : x
2. Step 2: Convert to fraction form
   410,499,303.28/566,274,266.52 = 253,816,324.72/x
3. Step 3: Cross multiply
   410,499,303.28x = 566,274,266.52 × 253,816,324.72
4. Step 4: Simplify right side
   410,499,303.28x = 143,729,653,111,620,144
5. Step 5: Solve for x
   x = 143,729,653,111,620,144/410,499,303.28
6. Step 6: Final answer
   x = 350,133,732.17