Finding the Fourth Proportional to 82,870.58, 114,369.66 and 50,603.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.58 : 114,369.66 = 50,603.42 : x
2. Step 2: Convert to fraction form
   82,870.58/114,369.66 = 50,603.42/x
3. Step 3: Cross multiply
   82,870.58x = 114,369.66 × 50,603.42
4. Step 4: Simplify right side
   82,870.58x = 5,787,495,940.24
5. Step 5: Solve for x
   x = 5,787,495,940.24/82,870.58
6. Step 6: Final answer
   x = 69,837.76