Finding the Fourth Proportional to 309,892.98, 465,036.10 and 132,401.34

Step by Step Solution

1. Step 1: Write the proportion equation
   309,892.98 : 465,036.10 = 132,401.34 : x
2. Step 2: Convert to fraction form
   309,892.98/465,036.10 = 132,401.34/x
3. Step 3: Cross multiply
   309,892.98x = 465,036.10 × 132,401.34
4. Step 4: Simplify right side
   309,892.98x = 61,571,402,788.37
5. Step 5: Solve for x
   x = 61,571,402,788.37/309,892.98
6. Step 6: Final answer
   x = 198,686.02