Finding the Fourth Proportional to 415,940.88, 623,886.69 and 116,414.82

Step by Step Solution

1. Step 1: Write the proportion equation
   415,940.88 : 623,886.69 = 116,414.82 : x
2. Step 2: Convert to fraction form
   415,940.88/623,886.69 = 116,414.82/x
3. Step 3: Cross multiply
   415,940.88x = 623,886.69 × 116,414.82
4. Step 4: Simplify right side
   415,940.88x = 72,629,656,716.75
5. Step 5: Solve for x
   x = 72,629,656,716.75/415,940.88
6. Step 6: Final answer
   x = 174,615.34