Finding the Fourth Proportional to 140,277.69, 210,042.72 and 122,341.59

Step by Step Solution

1. Step 1: Write the proportion equation
   140,277.69 : 210,042.72 = 122,341.59 : x
2. Step 2: Convert to fraction form
   140,277.69/210,042.72 = 122,341.59/x
3. Step 3: Cross multiply
   140,277.69x = 210,042.72 × 122,341.59
4. Step 4: Simplify right side
   140,277.69x = 25,696,960,332.72
5. Step 5: Solve for x
   x = 25,696,960,332.72/140,277.69
6. Step 6: Final answer
   x = 183,186.37