Finding the Fourth Proportional to 124,742.76, 187,247.34 and 53,700.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124,742.76 : 187,247.34 = 53,700.56 : x
2. Step 2: Convert to fraction form
   124,742.76/187,247.34 = 53,700.56/x
3. Step 3: Cross multiply
   124,742.76x = 187,247.34 × 53,700.56
4. Step 4: Simplify right side
   124,742.76x = 10,055,287,016.51
5. Step 5: Solve for x
   x = 10,055,287,016.51/124,742.76
6. Step 6: Final answer
   x = 80,608.18