Finding the Fourth Proportional to 113,748.42, 170,622.60 and 61,085.46

Step by Step Solution

1. Step 1: Write the proportion equation
   113,748.42 : 170,622.60 = 61,085.46 : x
2. Step 2: Convert to fraction form
   113,748.42/170,622.60 = 61,085.46/x
3. Step 3: Cross multiply
   113,748.42x = 170,622.60 × 61,085.46
4. Step 4: Simplify right side
   113,748.42x = 10,422,560,007.40
5. Step 5: Solve for x
   x = 10,422,560,007.40/113,748.42
6. Step 6: Final answer
   x = 91,628.17