Finding the Fourth Proportional to 113,756, 156,963.84 and 65,998.40

Step by Step Solution

1. Step 1: Write the proportion equation
   113,756 : 156,963.84 = 65,998.40 : x
2. Step 2: Convert to fraction form
   113,756/156,963.84 = 65,998.40/x
3. Step 3: Cross multiply
   113,756x = 156,963.84 × 65,998.40
4. Step 4: Simplify right side
   113,756x = 10,359,362,297.86
5. Step 5: Solve for x
   x = 10,359,362,297.86/113,756
6. Step 6: Final answer
   x = 91,066.51