Finding the Fourth Proportional to 116,354.80, 160,569.33 and 65,368.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,354.80 : 160,569.33 = 65,368.96 : x
2. Step 2: Convert to fraction form
   116,354.80/160,569.33 = 65,368.96/x
3. Step 3: Cross multiply
   116,354.80x = 160,569.33 × 65,368.96
4. Step 4: Simplify right side
   116,354.80x = 10,496,250,110.00
5. Step 5: Solve for x
   x = 10,496,250,110.00/116,354.80
6. Step 6: Final answer
   x = 90,209.00