Finding the Fourth Proportional to 116,375.32, 160,597.60 and 65,389.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,375.32 : 160,597.60 = 65,389.48 : x
2. Step 2: Convert to fraction form
   116,375.32/160,597.60 = 65,389.48/x
3. Step 3: Cross multiply
   116,375.32x = 160,597.60 × 65,389.48
4. Step 4: Simplify right side
   116,375.32x = 10,501,393,553.25
5. Step 5: Solve for x
   x = 10,501,393,553.25/116,375.32
6. Step 6: Final answer
   x = 90,237.29