Finding the Fourth Proportional to 113,890.42, 170,856.33 and 56,994.04

Step by Step Solution

1. Step 1: Write the proportion equation
   113,890.42 : 170,856.33 = 56,994.04 : x
2. Step 2: Convert to fraction form
   113,890.42/170,856.33 = 56,994.04/x
3. Step 3: Cross multiply
   113,890.42x = 170,856.33 × 56,994.04
4. Step 4: Simplify right side
   113,890.42x = 9,737,792,506.27
5. Step 5: Solve for x
   x = 9,737,792,506.27/113,890.42
6. Step 6: Final answer
   x = 85,501.42