Finding the Fourth Proportional to 116,839.87, 161,238.82 and 63,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,839.87 : 161,238.82 = 63,124.72 : x
2. Step 2: Convert to fraction form
   116,839.87/161,238.82 = 63,124.72/x
3. Step 3: Cross multiply
   116,839.87x = 161,238.82 × 63,124.72
4. Step 4: Simplify right side
   116,839.87x = 10,178,155,365.63
5. Step 5: Solve for x
   x = 10,178,155,365.63/116,839.87
6. Step 6: Final answer
   x = 87,112.01