Finding the Fourth Proportional to 116,839.56, 161,238.66 and 63,124.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,839.56 : 161,238.66 = 63,124.56 : x
2. Step 2: Convert to fraction form
   116,839.56/161,238.66 = 63,124.56/x
3. Step 3: Cross multiply
   116,839.56x = 161,238.66 × 63,124.56
4. Step 4: Simplify right side
   116,839.56x = 10,178,119,467.49
5. Step 5: Solve for x
   x = 10,178,119,467.49/116,839.56
6. Step 6: Final answer
   x = 87,111.93