Finding the Fourth Proportional to 359,979.38, 539,501.59 and 146,498.41

Step by Step Solution

1. Step 1: Write the proportion equation
   359,979.38 : 539,501.59 = 146,498.41 : x
2. Step 2: Convert to fraction form
   359,979.38/539,501.59 = 146,498.41/x
3. Step 3: Cross multiply
   359,979.38x = 539,501.59 × 146,498.41
4. Step 4: Simplify right side
   359,979.38x = 79,036,125,127.47
5. Step 5: Solve for x
   x = 79,036,125,127.47/359,979.38
6. Step 6: Final answer
   x = 219,557.37