Finding the Fourth Proportional to 116,158.32, 160,297.74 and 64,474.86

Step by Step Solution

1. Step 1: Write the proportion equation
   116,158.32 : 160,297.74 = 64,474.86 : x
2. Step 2: Convert to fraction form
   116,158.32/160,297.74 = 64,474.86/x
3. Step 3: Cross multiply
   116,158.32x = 160,297.74 × 64,474.86
4. Step 4: Simplify right side
   116,158.32x = 10,335,174,344.82
5. Step 5: Solve for x
   x = 10,335,174,344.82/116,158.32
6. Step 6: Final answer
   x = 88,974.90