Finding the Fourth Proportional to 116,561.00, 160,839.05 and 65,572.01

Step by Step Solution

1. Step 1: Write the proportion equation
   116,561.00 : 160,839.05 = 65,572.01 : x
2. Step 2: Convert to fraction form
   116,561.00/160,839.05 = 65,572.01/x
3. Step 3: Cross multiply
   116,561.00x = 160,839.05 × 65,572.01
4. Step 4: Simplify right side
   116,561.00x = 10,546,540,361.02
5. Step 5: Solve for x
   x = 10,546,540,361.02/116,561.00
6. Step 6: Final answer
   x = 90,480.87