Finding the Fourth Proportional to 238,933.44, 358,150.14 and 89,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,933.44 : 358,150.14 = 89,113.50 : x
2. Step 2: Convert to fraction form
   238,933.44/358,150.14 = 89,113.50/x
3. Step 3: Cross multiply
   238,933.44x = 358,150.14 × 89,113.50
4. Step 4: Simplify right side
   238,933.44x = 31,916,012,500.89
5. Step 5: Solve for x
   x = 31,916,012,500.89/238,933.44
6. Step 6: Final answer
   x = 133,577.00