Finding the Fourth Proportional to 116,238.96, 160,424.28 and 65,954.16

Step by Step Solution

1. Step 1: Write the proportion equation
   116,238.96 : 160,424.28 = 65,954.16 : x
2. Step 2: Convert to fraction form
   116,238.96/160,424.28 = 65,954.16/x
3. Step 3: Cross multiply
   116,238.96x = 160,424.28 × 65,954.16
4. Step 4: Simplify right side
   116,238.96x = 10,580,648,631.00
5. Step 5: Solve for x
   x = 10,580,648,631.00/116,238.96
6. Step 6: Final answer
   x = 91,024.98