Finding the Fourth Proportional to 113,730.75, 156,897.72 and 65,956.41

Step by Step Solution

1. Step 1: Write the proportion equation
   113,730.75 : 156,897.72 = 65,956.41 : x
2. Step 2: Convert to fraction form
   113,730.75/156,897.72 = 65,956.41/x
3. Step 3: Cross multiply
   113,730.75x = 156,897.72 × 65,956.41
4. Step 4: Simplify right side
   113,730.75x = 10,348,410,348.39
5. Step 5: Solve for x
   x = 10,348,410,348.39/113,730.75
6. Step 6: Final answer
   x = 90,990.43