Finding the Fourth Proportional to 116,839.37, 161,238.13 and 63,124.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116,839.37 : 161,238.13 = 63,124.22 : x
2. Step 2: Convert to fraction form
   116,839.37/161,238.13 = 63,124.22/x
3. Step 3: Cross multiply
   116,839.37x = 161,238.13 × 63,124.22
4. Step 4: Simplify right side
   116,839.37x = 10,178,031,190.51
5. Step 5: Solve for x
   x = 10,178,031,190.51/116,839.37
6. Step 6: Final answer
   x = 87,111.32