Finding the Fourth Proportional to 238,842.30, 358,323.60 and 89,087.48

Step by Step Solution

1. Step 1: Write the proportion equation
   238,842.30 : 358,323.60 = 89,087.48 : x
2. Step 2: Convert to fraction form
   238,842.30/358,323.60 = 89,087.48/x
3. Step 3: Cross multiply
   238,842.30x = 358,323.60 × 89,087.48
4. Step 4: Simplify right side
   238,842.30x = 31,922,146,434.70
5. Step 5: Solve for x
   x = 31,922,146,434.70/238,842.30
6. Step 6: Final answer
   x = 133,653.65