Finding the Fourth Proportional to 113,290.89, 156,277.66 and 67,956.81

Step by Step Solution

1. Step 1: Write the proportion equation
   113,290.89 : 156,277.66 = 67,956.81 : x
2. Step 2: Convert to fraction form
   113,290.89/156,277.66 = 67,956.81/x
3. Step 3: Cross multiply
   113,290.89x = 156,277.66 × 67,956.81
4. Step 4: Simplify right side
   113,290.89x = 10,620,131,247.86
5. Step 5: Solve for x
   x = 10,620,131,247.86/113,290.89
6. Step 6: Final answer
   x = 93,742.15