Finding the Fourth Proportional to 113,577.12, 156,730.82 and 65,845.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,577.12 : 156,730.82 = 65,845.98 : x
2. Step 2: Convert to fraction form
   113,577.12/156,730.82 = 65,845.98/x
3. Step 3: Cross multiply
   113,577.12x = 156,730.82 × 65,845.98
4. Step 4: Simplify right side
   113,577.12x = 10,320,094,109.87
5. Step 5: Solve for x
   x = 10,320,094,109.87/113,577.12
6. Step 6: Final answer
   x = 90,864.20