Finding the Fourth Proportional to 82,356.94, 113,664.77 and 52,145.07

Step by Step Solution

1. Step 1: Write the proportion equation
   82,356.94 : 113,664.77 = 52,145.07 : x
2. Step 2: Convert to fraction form
   82,356.94/113,664.77 = 52,145.07/x
3. Step 3: Cross multiply
   82,356.94x = 113,664.77 × 52,145.07
4. Step 4: Simplify right side
   82,356.94x = 5,927,056,896.76
5. Step 5: Solve for x
   x = 5,927,056,896.76/82,356.94
6. Step 6: Final answer
   x = 71,967.91