Finding the Fourth Proportional to 326,014.62, 488,969.45 and 89,301.98

Step by Step Solution

1. Step 1: Write the proportion equation
   326,014.62 : 488,969.45 = 89,301.98 : x
2. Step 2: Convert to fraction form
   326,014.62/488,969.45 = 89,301.98/x
3. Step 3: Cross multiply
   326,014.62x = 488,969.45 × 89,301.98
4. Step 4: Simplify right side
   326,014.62x = 43,665,937,153.15
5. Step 5: Solve for x
   x = 43,665,937,153.15/326,014.62
6. Step 6: Final answer
   x = 133,938.59