Finding the Fourth Proportional to 82,590.33, 123,927.87 and 40,469.63

Step by Step Solution

1. Step 1: Write the proportion equation
   82,590.33 : 123,927.87 = 40,469.63 : x
2. Step 2: Convert to fraction form
   82,590.33/123,927.87 = 40,469.63/x
3. Step 3: Cross multiply
   82,590.33x = 123,927.87 × 40,469.63
4. Step 4: Simplify right side
   82,590.33x = 5,015,314,577.71
5. Step 5: Solve for x
   x = 5,015,314,577.71/82,590.33
6. Step 6: Final answer
   x = 60,725.20