Finding the Fourth Proportional to 113,635.05, 156,817.38 and 62,649.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,635.05 : 156,817.38 = 62,649.59 : x
2. Step 2: Convert to fraction form
   113,635.05/156,817.38 = 62,649.59/x
3. Step 3: Cross multiply
   113,635.05x = 156,817.38 × 62,649.59
4. Step 4: Simplify right side
   113,635.05x = 9,824,544,561.87
5. Step 5: Solve for x
   x = 9,824,544,561.87/113,635.05
6. Step 6: Final answer
   x = 86,456.99