Finding the Fourth Proportional to 144,540.32, 216,756.62 and 49,744.00

Step by Step Solution

1. Step 1: Write the proportion equation
   144,540.32 : 216,756.62 = 49,744.00 : x
2. Step 2: Convert to fraction form
   144,540.32/216,756.62 = 49,744.00/x
3. Step 3: Cross multiply
   144,540.32x = 216,756.62 × 49,744.00
4. Step 4: Simplify right side
   144,540.32x = 10,782,339,972.78
5. Step 5: Solve for x
   x = 10,782,339,972.78/144,540.32
6. Step 6: Final answer
   x = 74,597.45