Finding the Fourth Proportional to 247,897.14, 342,100.71 and 134,719.89

Step by Step Solution

1. Step 1: Write the proportion equation
   247,897.14 : 342,100.71 = 134,719.89 : x
2. Step 2: Convert to fraction form
   247,897.14/342,100.71 = 134,719.89/x
3. Step 3: Cross multiply
   247,897.14x = 342,100.71 × 134,719.89
4. Step 4: Simplify right side
   247,897.14x = 46,087,770,020.12
5. Step 5: Solve for x
   x = 46,087,770,020.12/247,897.14
6. Step 6: Final answer
   x = 185,914.89