Finding the Fourth Proportional to 82,164.76, 123,298.18 and 52,603.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,164.76 : 123,298.18 = 52,603.81 : x
2. Step 2: Convert to fraction form
   82,164.76/123,298.18 = 52,603.81/x
3. Step 3: Cross multiply
   82,164.76x = 123,298.18 × 52,603.81
4. Step 4: Simplify right side
   82,164.76x = 6,485,953,594.31
5. Step 5: Solve for x
   x = 6,485,953,594.31/82,164.76
6. Step 6: Final answer
   x = 78,938.39