Finding the Fourth Proportional to 116,131.56, 160,261.44 and 65,830.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,131.56 : 160,261.44 = 65,830.56 : x
2. Step 2: Convert to fraction form
   116,131.56/160,261.44 = 65,830.56/x
3. Step 3: Cross multiply
   116,131.56x = 160,261.44 × 65,830.56
4. Step 4: Simplify right side
   116,131.56x = 10,550,100,341.61
5. Step 5: Solve for x
   x = 10,550,100,341.61/116,131.56
6. Step 6: Final answer
   x = 90,846.11