Finding the Fourth Proportional to 82,307.39, 113,589.90 and 50,054.63

Step by Step Solution

1. Step 1: Write the proportion equation
   82,307.39 : 113,589.90 = 50,054.63 : x
2. Step 2: Convert to fraction form
   82,307.39/113,589.90 = 50,054.63/x
3. Step 3: Cross multiply
   82,307.39x = 113,589.90 × 50,054.63
4. Step 4: Simplify right side
   82,307.39x = 5,685,699,848.29
5. Step 5: Solve for x
   x = 5,685,699,848.29/82,307.39
6. Step 6: Final answer
   x = 69,078.85