Finding the Fourth Proportional to 82,390.78, 113,698.99 and 44,665.03

Step by Step Solution

1. Step 1: Write the proportion equation
   82,390.78 : 113,698.99 = 44,665.03 : x
2. Step 2: Convert to fraction form
   82,390.78/113,698.99 = 44,665.03/x
3. Step 3: Cross multiply
   82,390.78x = 113,698.99 × 44,665.03
4. Step 4: Simplify right side
   82,390.78x = 5,078,368,799.32
5. Step 5: Solve for x
   x = 5,078,368,799.32/82,390.78
6. Step 6: Final answer
   x = 61,637.59