Finding the Fourth Proportional to 82,320.89, 123,478.52 and 34,905.47

Step by Step Solution

1. Step 1: Write the proportion equation
   82,320.89 : 123,478.52 = 34,905.47 : x
2. Step 2: Convert to fraction form
   82,320.89/123,478.52 = 34,905.47/x
3. Step 3: Cross multiply
   82,320.89x = 123,478.52 × 34,905.47
4. Step 4: Simplify right side
   82,320.89x = 4,310,074,983.58
5. Step 5: Solve for x
   x = 4,310,074,983.58/82,320.89
6. Step 6: Final answer
   x = 52,357.00