Finding the Fourth Proportional to 238,908.27, 358,334.69 and 89,153.79

Step by Step Solution

1. Step 1: Write the proportion equation
   238,908.27 : 358,334.69 = 89,153.79 : x
2. Step 2: Convert to fraction form
   238,908.27/358,334.69 = 89,153.79/x
3. Step 3: Cross multiply
   238,908.27x = 358,334.69 × 89,153.79
4. Step 4: Simplify right side
   238,908.27x = 31,946,895,256.21
5. Step 5: Solve for x
   x = 31,946,895,256.21/238,908.27
6. Step 6: Final answer
   x = 133,720.34