Finding the Fourth Proportional to 116,001.57, 160,095.45 and 65,028.07

Step by Step Solution

1. Step 1: Write the proportion equation
   116,001.57 : 160,095.45 = 65,028.07 : x
2. Step 2: Convert to fraction form
   116,001.57/160,095.45 = 65,028.07/x
3. Step 3: Cross multiply
   116,001.57x = 160,095.45 × 65,028.07
4. Step 4: Simplify right side
   116,001.57x = 10,410,698,129.28
5. Step 5: Solve for x
   x = 10,410,698,129.28/116,001.57
6. Step 6: Final answer
   x = 89,746.18