Finding the Fourth Proportional to 271,915.42, 407,883.38 and 103,404.33

Step by Step Solution

1. Step 1: Write the proportion equation
   271,915.42 : 407,883.38 = 103,404.33 : x
2. Step 2: Convert to fraction form
   271,915.42/407,883.38 = 103,404.33/x
3. Step 3: Cross multiply
   271,915.42x = 407,883.38 × 103,404.33
4. Step 4: Simplify right side
   271,915.42x = 42,176,907,627.04
5. Step 5: Solve for x
   x = 42,176,907,627.04/271,915.42
6. Step 6: Final answer
   x = 155,110.39