Finding the Fourth Proportional to 271,819.42, 407,725.89 and 191,525.74

Step by Step Solution

1. Step 1: Write the proportion equation
   271,819.42 : 407,725.89 = 191,525.74 : x
2. Step 2: Convert to fraction form
   271,819.42/407,725.89 = 191,525.74/x
3. Step 3: Cross multiply
   271,819.42x = 407,725.89 × 191,525.74
4. Step 4: Simplify right side
   271,819.42x = 78,090,002,799.41
5. Step 5: Solve for x
   x = 78,090,002,799.41/271,819.42
6. Step 6: Final answer
   x = 287,286.33