Finding the Fourth Proportional to 233,128.47, 321,833.48 and 152,679.27

Step by Step Solution

1. Step 1: Write the proportion equation
   233,128.47 : 321,833.48 = 152,679.27 : x
2. Step 2: Convert to fraction form
   233,128.47/321,833.48 = 152,679.27/x
3. Step 3: Cross multiply
   233,128.47x = 321,833.48 × 152,679.27
4. Step 4: Simplify right side
   233,128.47x = 49,137,300,024.56
5. Step 5: Solve for x
   x = 49,137,300,024.56/233,128.47
6. Step 6: Final answer
   x = 210,773.48