Finding the Fourth Proportional to 271,876.98, 407,815.83 and 103,357.74

Step by Step Solution

1. Step 1: Write the proportion equation
   271,876.98 : 407,815.83 = 103,357.74 : x
2. Step 2: Convert to fraction form
   271,876.98/407,815.83 = 103,357.74/x
3. Step 3: Cross multiply
   271,876.98x = 407,815.83 × 103,357.74
4. Step 4: Simplify right side
   271,876.98x = 42,150,922,525.02
5. Step 5: Solve for x
   x = 42,150,922,525.02/271,876.98
6. Step 6: Final answer
   x = 155,036.75