Finding the Fourth Proportional to 113,396.56, 156,493.69 and 65,006.48

Step by Step Solution

1. Step 1: Write the proportion equation
   113,396.56 : 156,493.69 = 65,006.48 : x
2. Step 2: Convert to fraction form
   113,396.56/156,493.69 = 65,006.48/x
3. Step 3: Cross multiply
   113,396.56x = 156,493.69 × 65,006.48
4. Step 4: Simplify right side
   113,396.56x = 10,173,104,157.83
5. Step 5: Solve for x
   x = 10,173,104,157.83/113,396.56
6. Step 6: Final answer
   x = 89,712.64