Finding the Fourth Proportional to 359,796.42, 539,696.69 and 149,434.36

Step by Step Solution

1. Step 1: Write the proportion equation
   359,796.42 : 539,696.69 = 149,434.36 : x
2. Step 2: Convert to fraction form
   359,796.42/539,696.69 = 149,434.36/x
3. Step 3: Cross multiply
   359,796.42x = 539,696.69 × 149,434.36
4. Step 4: Simplify right side
   359,796.42x = 80,649,227,367.85
5. Step 5: Solve for x
   x = 80,649,227,367.85/359,796.42
6. Step 6: Final answer
   x = 224,152.39