Finding the Fourth Proportional to 82,322.84, 113,647.92 and 52,139.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,322.84 : 113,647.92 = 52,139.72 : x
2. Step 2: Convert to fraction form
   82,322.84/113,647.92 = 52,139.72/x
3. Step 3: Cross multiply
   82,322.84x = 113,647.92 × 52,139.72
4. Step 4: Simplify right side
   82,322.84x = 5,925,570,727.38
5. Step 5: Solve for x
   x = 5,925,570,727.38/82,322.84
6. Step 6: Final answer
   x = 71,979.67