Finding the Fourth Proportional to 71,560.38, 107,360.01 and 50,915.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,560.38 : 107,360.01 = 50,915.10 : x
2. Step 2: Convert to fraction form
   71,560.38/107,360.01 = 50,915.10/x
3. Step 3: Cross multiply
   71,560.38x = 107,360.01 × 50,915.10
4. Step 4: Simplify right side
   71,560.38x = 5,466,245,645.15
5. Step 5: Solve for x
   x = 5,466,245,645.15/71,560.38
6. Step 6: Final answer
   x = 76,386.48