Finding the Fourth Proportional to 82,185.90, 113,415.42 and 45,887.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,185.90 : 113,415.42 = 45,887.91 : x
2. Step 2: Convert to fraction form
   82,185.90/113,415.42 = 45,887.91/x
3. Step 3: Cross multiply
   82,185.90x = 113,415.42 × 45,887.91
4. Step 4: Simplify right side
   82,185.90x = 5,204,396,332.34
5. Step 5: Solve for x
   x = 5,204,396,332.34/82,185.90
6. Step 6: Final answer
   x = 63,324.69