Finding the Fourth Proportional to 113,396.85, 156,494.07 and 65,006.82

Step by Step Solution

1. Step 1: Write the proportion equation
   113,396.85 : 156,494.07 = 65,006.82 : x
2. Step 2: Convert to fraction form
   113,396.85/156,494.07 = 65,006.82/x
3. Step 3: Cross multiply
   113,396.85x = 156,494.07 × 65,006.82
4. Step 4: Simplify right side
   113,396.85x = 10,173,181,839.56
5. Step 5: Solve for x
   x = 10,173,181,839.56/113,396.85
6. Step 6: Final answer
   x = 89,713.09