Finding the Fourth Proportional to 342,131.79, 472,127.04 and 187,080.24

Step by Step Solution

1. Step 1: Write the proportion equation
   342,131.79 : 472,127.04 = 187,080.24 : x
2. Step 2: Convert to fraction form
   342,131.79/472,127.04 = 187,080.24/x
3. Step 3: Cross multiply
   342,131.79x = 472,127.04 × 187,080.24
4. Step 4: Simplify right side
   342,131.79x = 88,325,639,953.69
5. Step 5: Solve for x
   x = 88,325,639,953.69/342,131.79
6. Step 6: Final answer
   x = 258,162.62