Finding the Fourth Proportional to 307,465.69, 461,173.92 and 136,740.27

Step by Step Solution

1. Step 1: Write the proportion equation
   307,465.69 : 461,173.92 = 136,740.27 : x
2. Step 2: Convert to fraction form
   307,465.69/461,173.92 = 136,740.27/x
3. Step 3: Cross multiply
   307,465.69x = 461,173.92 × 136,740.27
4. Step 4: Simplify right side
   307,465.69x = 63,061,044,031.89
5. Step 5: Solve for x
   x = 63,061,044,031.89/307,465.69
6. Step 6: Final answer
   x = 205,099.45