Finding the Fourth Proportional to 116,554.76, 160,830.42 and 65,565.76

Step by Step Solution

1. Step 1: Write the proportion equation
   116,554.76 : 160,830.42 = 65,565.76 : x
2. Step 2: Convert to fraction form
   116,554.76/160,830.42 = 65,565.76/x
3. Step 3: Cross multiply
   116,554.76x = 160,830.42 × 65,565.76
4. Step 4: Simplify right side
   116,554.76x = 10,544,968,718.42
5. Step 5: Solve for x
   x = 10,544,968,718.42/116,554.76
6. Step 6: Final answer
   x = 90,472.23