Finding the Fourth Proportional to 491,401.60, 737,106.50 and 136,443.29

Step by Step Solution

1. Step 1: Write the proportion equation
   491,401.60 : 737,106.50 = 136,443.29 : x
2. Step 2: Convert to fraction form
   491,401.60/737,106.50 = 136,443.29/x
3. Step 3: Cross multiply
   491,401.60x = 737,106.50 × 136,443.29
4. Step 4: Simplify right side
   491,401.60x = 100,573,235,940.39
5. Step 5: Solve for x
   x = 100,573,235,940.39/491,401.60
6. Step 6: Final answer
   x = 204,666.07