Finding the Fourth Proportional to 258,323.84, 387,662.12 and 89,842.52

Step by Step Solution

1. Step 1: Write the proportion equation
   258,323.84 : 387,662.12 = 89,842.52 : x
2. Step 2: Convert to fraction form
   258,323.84/387,662.12 = 89,842.52/x
3. Step 3: Cross multiply
   258,323.84x = 387,662.12 × 89,842.52
4. Step 4: Simplify right side
   258,323.84x = 34,828,541,769.34
5. Step 5: Solve for x
   x = 34,828,541,769.34/258,323.84
6. Step 6: Final answer
   x = 134,825.12