Finding the Fourth Proportional to 215,389.47, 323,084.29 and 96,922.42

Step by Step Solution

1. Step 1: Write the proportion equation
   215,389.47 : 323,084.29 = 96,922.42 : x
2. Step 2: Convert to fraction form
   215,389.47/323,084.29 = 96,922.42/x
3. Step 3: Cross multiply
   215,389.47x = 323,084.29 × 96,922.42
4. Step 4: Simplify right side
   215,389.47x = 31,314,111,250.78
5. Step 5: Solve for x
   x = 31,314,111,250.78/215,389.47
6. Step 6: Final answer
   x = 145,383.67