Finding the Fourth Proportional to 113,749.42, 170,624.10 and 61,086.46

Step by Step Solution

1. Step 1: Write the proportion equation
   113,749.42 : 170,624.10 = 61,086.46 : x
2. Step 2: Convert to fraction form
   113,749.42/170,624.10 = 61,086.46/x
3. Step 3: Cross multiply
   113,749.42x = 170,624.10 × 61,086.46
4. Step 4: Simplify right side
   113,749.42x = 10,422,822,259.69
5. Step 5: Solve for x
   x = 10,422,822,259.69/113,749.42
6. Step 6: Final answer
   x = 91,629.67