Finding the Fourth Proportional to 271,042.80, 406,019.88 and 152,536.56

Step by Step Solution

1. Step 1: Write the proportion equation
   271,042.80 : 406,019.88 = 152,536.56 : x
2. Step 2: Convert to fraction form
   271,042.80/406,019.88 = 152,536.56/x
3. Step 3: Cross multiply
   271,042.80x = 406,019.88 × 152,536.56
4. Step 4: Simplify right side
   271,042.80x = 61,932,875,786.81
5. Step 5: Solve for x
   x = 61,932,875,786.81/271,042.80
6. Step 6: Final answer
   x = 228,498.51