Finding the Fourth Proportional to 113,622.57, 156,832.07 and 65,886.57

Step by Step Solution

1. Step 1: Write the proportion equation
   113,622.57 : 156,832.07 = 65,886.57 : x
2. Step 2: Convert to fraction form
   113,622.57/156,832.07 = 65,886.57/x
3. Step 3: Cross multiply
   113,622.57x = 156,832.07 × 65,886.57
4. Step 4: Simplify right side
   113,622.57x = 10,333,126,828.87
5. Step 5: Solve for x
   x = 10,333,126,828.87/113,622.57
6. Step 6: Final answer
   x = 90,942.56