Finding the Fourth Proportional to 238,910.52, 358,338.06 and 89,156.04

Step by Step Solution

1. Step 1: Write the proportion equation
   238,910.52 : 358,338.06 = 89,156.04 : x
2. Step 2: Convert to fraction form
   238,910.52/358,338.06 = 89,156.04/x
3. Step 3: Cross multiply
   238,910.52x = 358,338.06 × 89,156.04
4. Step 4: Simplify right side
   238,910.52x = 31,948,002,410.88
5. Step 5: Solve for x
   x = 31,948,002,410.88/238,910.52
6. Step 6: Final answer
   x = 133,723.72