Finding the Fourth Proportional to 82,380.08, 113,696.66 and 52,168.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,380.08 : 113,696.66 = 52,168.16 : x
2. Step 2: Convert to fraction form
   82,380.08/113,696.66 = 52,168.16/x
3. Step 3: Cross multiply
   82,380.08x = 113,696.66 × 52,168.16
4. Step 4: Simplify right side
   82,380.08x = 5,931,345,289.50
5. Step 5: Solve for x
   x = 5,931,345,289.50/82,380.08
6. Step 6: Final answer
   x = 71,999.75