Finding the Fourth Proportional to 113,603.94, 156,774.06 and 65,885.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,603.94 : 156,774.06 = 65,885.58 : x
2. Step 2: Convert to fraction form
   113,603.94/156,774.06 = 65,885.58/x
3. Step 3: Cross multiply
   113,603.94x = 156,774.06 × 65,885.58
4. Step 4: Simplify right side
   113,603.94x = 10,329,149,872.05
5. Step 5: Solve for x
   x = 10,329,149,872.05/113,603.94
6. Step 6: Final answer
   x = 90,922.46