Finding the Fourth Proportional to 113,760.09, 156,996.26 and 65,377.57

Step by Step Solution

1. Step 1: Write the proportion equation
   113,760.09 : 156,996.26 = 65,377.57 : x
2. Step 2: Convert to fraction form
   113,760.09/156,996.26 = 65,377.57/x
3. Step 3: Cross multiply
   113,760.09x = 156,996.26 × 65,377.57
4. Step 4: Simplify right side
   113,760.09x = 10,264,033,977.89
5. Step 5: Solve for x
   x = 10,264,033,977.89/113,760.09
6. Step 6: Final answer
   x = 90,225.26