Finding the Fourth Proportional to 58,786.88, 81,181.24 and 40,930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,786.88 : 81,181.24 = 40,930.72 : x
2. Step 2: Convert to fraction form
   58,786.88/81,181.24 = 40,930.72/x
3. Step 3: Cross multiply
   58,786.88x = 81,181.24 × 40,930.72
4. Step 4: Simplify right side
   58,786.88x = 3,322,806,603.69
5. Step 5: Solve for x
   x = 3,322,806,603.69/58,786.88
6. Step 6: Final answer
   x = 56,522.93