Finding the Fourth Proportional to 300,638.52, 450,996.66 and 100,892.52

Step by Step Solution

1. Step 1: Write the proportion equation
   300,638.52 : 450,996.66 = 100,892.52 : x
2. Step 2: Convert to fraction form
   300,638.52/450,996.66 = 100,892.52/x
3. Step 3: Cross multiply
   300,638.52x = 450,996.66 × 100,892.52
4. Step 4: Simplify right side
   300,638.52x = 45,502,189,538.98
5. Step 5: Solve for x
   x = 45,502,189,538.98/300,638.52
6. Step 6: Final answer
   x = 151,351.83