Finding the Fourth Proportional to 113,361.27, 156,439.86 and 64,962.24

Step by Step Solution

1. Step 1: Write the proportion equation
   113,361.27 : 156,439.86 = 64,962.24 : x
2. Step 2: Convert to fraction form
   113,361.27/156,439.86 = 64,962.24/x
3. Step 3: Cross multiply
   113,361.27x = 156,439.86 × 64,962.24
4. Step 4: Simplify right side
   113,361.27x = 10,162,683,730.89
5. Step 5: Solve for x
   x = 10,162,683,730.89/113,361.27
6. Step 6: Final answer
   x = 89,648.64