Finding the Fourth Proportional to 326,014.69, 488,969.58 and 89,302.03

Step by Step Solution

1. Step 1: Write the proportion equation
   326,014.69 : 488,969.58 = 89,302.03 : x
2. Step 2: Convert to fraction form
   326,014.69/488,969.58 = 89,302.03/x
3. Step 3: Cross multiply
   326,014.69x = 488,969.58 × 89,302.03
4. Step 4: Simplify right side
   326,014.69x = 43,665,976,102.25
5. Step 5: Solve for x
   x = 43,665,976,102.25/326,014.69
6. Step 6: Final answer
   x = 133,938.68