Finding the Fourth Proportional to 117,236.09, 161,785.59 and 63,522.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,236.09 : 161,785.59 = 63,522.56 : x
2. Step 2: Convert to fraction form
   117,236.09/161,785.59 = 63,522.56/x
3. Step 3: Cross multiply
   117,236.09x = 161,785.59 × 63,522.56
4. Step 4: Simplify right side
   117,236.09x = 10,277,035,014.16
5. Step 5: Solve for x
   x = 10,277,035,014.16/117,236.09
6. Step 6: Final answer
   x = 87,661.02