Finding the Fourth Proportional to 321,542.32, 482,189.86 and 152,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   321,542.32 : 482,189.86 = 152,932.72 : x
2. Step 2: Convert to fraction form
   321,542.32/482,189.86 = 152,932.72/x
3. Step 3: Cross multiply
   321,542.32x = 482,189.86 × 152,932.72
4. Step 4: Simplify right side
   321,542.32x = 73,742,606,846.22
5. Step 5: Solve for x
   x = 73,742,606,846.22/321,542.32
6. Step 6: Final answer
   x = 229,340.28