Finding the Fourth Proportional to 165,428,499.02, 227,870,905.37 and 126,202,174.61

Step by Step Solution

1. Step 1: Write the proportion equation
   165,428,499.02 : 227,870,905.37 = 126,202,174.61 : x
2. Step 2: Convert to fraction form
   165,428,499.02/227,870,905.37 = 126,202,174.61/x
3. Step 3: Cross multiply
   165,428,499.02x = 227,870,905.37 × 126,202,174.61
4. Step 4: Simplify right side
   165,428,499.02x = 28,757,803,786,273,164
5. Step 5: Solve for x
   x = 28,757,803,786,273,164/165,428,499.02
6. Step 6: Final answer
   x = 173,838,268.24