Finding the Fourth Proportional to 82,543.93, 113,959.24 and 50,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,543.93 : 113,959.24 = 50,290.72 : x
2. Step 2: Convert to fraction form
   82,543.93/113,959.24 = 50,290.72/x
3. Step 3: Cross multiply
   82,543.93x = 113,959.24 × 50,290.72
4. Step 4: Simplify right side
   82,543.93x = 5,731,091,819.63
5. Step 5: Solve for x
   x = 5,731,091,819.63/82,543.93
6. Step 6: Final answer
   x = 69,430.81