Finding the Fourth Proportional to 417,499.59, 626,290.38 and 117,982.47

Step by Step Solution

1. Step 1: Write the proportion equation
   417,499.59 : 626,290.38 = 117,982.47 : x
2. Step 2: Convert to fraction form
   417,499.59/626,290.38 = 117,982.47/x
3. Step 3: Cross multiply
   417,499.59x = 626,290.38 × 117,982.47
4. Step 4: Simplify right side
   417,499.59x = 73,891,285,969.64
5. Step 5: Solve for x
   x = 73,891,285,969.64/417,499.59
6. Step 6: Final answer
   x = 176,985.29