Finding the Fourth Proportional to 273,538.55, 377,656.56 and 187,641.42

Step by Step Solution

1. Step 1: Write the proportion equation
   273,538.55 : 377,656.56 = 187,641.42 : x
2. Step 2: Convert to fraction form
   273,538.55/377,656.56 = 187,641.42/x
3. Step 3: Cross multiply
   273,538.55x = 377,656.56 × 187,641.42
4. Step 4: Simplify right side
   273,538.55x = 70,864,013,190.72
5. Step 5: Solve for x
   x = 70,864,013,190.72/273,538.55
6. Step 6: Final answer
   x = 259,064.09