Finding the Fourth Proportional to 154,456.07, 213,086.03 and 93,978.23

Step by Step Solution

1. Step 1: Write the proportion equation
   154,456.07 : 213,086.03 = 93,978.23 : x
2. Step 2: Convert to fraction form
   154,456.07/213,086.03 = 93,978.23/x
3. Step 3: Cross multiply
   154,456.07x = 213,086.03 × 93,978.23
4. Step 4: Simplify right side
   154,456.07x = 20,025,446,401.81
5. Step 5: Solve for x
   x = 20,025,446,401.81/154,456.07
6. Step 6: Final answer
   x = 129,651.41