Finding the Fourth Proportional to 410,499,301.28, 566,274,263.76 and 253,816,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   410,499,301.28 : 566,274,263.76 = 253,816,322.72 : x
2. Step 2: Convert to fraction form
   410,499,301.28/566,274,263.76 = 253,816,322.72/x
3. Step 3: Cross multiply
   410,499,301.28x = 566,274,263.76 × 253,816,322.72
4. Step 4: Simplify right side
   410,499,301.28x = 143,729,651,278,538,560
5. Step 5: Solve for x
   x = 143,729,651,278,538,560/410,499,301.28
6. Step 6: Final answer
   x = 350,133,729.41