Finding the Fourth Proportional to 318,981.83, 478,456.83 and 119,287.53

Step by Step Solution

1. Step 1: Write the proportion equation
   318,981.83 : 478,456.83 = 119,287.53 : x
2. Step 2: Convert to fraction form
   318,981.83/478,456.83 = 119,287.53/x
3. Step 3: Cross multiply
   318,981.83x = 478,456.83 × 119,287.53
4. Step 4: Simplify right side
   318,981.83x = 57,073,933,462.33
5. Step 5: Solve for x
   x = 57,073,933,462.33/318,981.83
6. Step 6: Final answer
   x = 178,925.35