Finding the Fourth Proportional to 82,418.48, 123,678.48 and 32,490.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,418.48 : 123,678.48 = 32,490.08 : x
2. Step 2: Convert to fraction form
   82,418.48/123,678.48 = 32,490.08/x
3. Step 3: Cross multiply
   82,418.48x = 123,678.48 × 32,490.08
4. Step 4: Simplify right side
   82,418.48x = 4,018,323,709.48
5. Step 5: Solve for x
   x = 4,018,323,709.48/82,418.48
6. Step 6: Final answer
   x = 48,755.13