Finding the Fourth Proportional to 231,923.52, 320,117.52 and 136,461

Step by Step Solution

1. Step 1: Write the proportion equation
   231,923.52 : 320,117.52 = 136,461 : x
2. Step 2: Convert to fraction form
   231,923.52/320,117.52 = 136,461/x
3. Step 3: Cross multiply
   231,923.52x = 320,117.52 × 136,461
4. Step 4: Simplify right side
   231,923.52x = 43,683,556,896.72
5. Step 5: Solve for x
   x = 43,683,556,896.72/231,923.52
6. Step 6: Final answer
   x = 188,353.29