Finding the Fourth Proportional to 124,189.72, 186,137.89 and 53,091.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124,189.72 : 186,137.89 = 53,091.56 : x
2. Step 2: Convert to fraction form
   124,189.72/186,137.89 = 53,091.56/x
3. Step 3: Cross multiply
   124,189.72x = 186,137.89 × 53,091.56
4. Step 4: Simplify right side
   124,189.72x = 9,882,350,955.21
5. Step 5: Solve for x
   x = 9,882,350,955.21/124,189.72
6. Step 6: Final answer
   x = 79,574.63