Finding the Fourth Proportional to 119,200.29, 178,634.18 and 89,583.45

Step by Step Solution

1. Step 1: Write the proportion equation
   119,200.29 : 178,634.18 = 89,583.45 : x
2. Step 2: Convert to fraction form
   119,200.29/178,634.18 = 89,583.45/x
3. Step 3: Cross multiply
   119,200.29x = 178,634.18 × 89,583.45
4. Step 4: Simplify right side
   119,200.29x = 16,002,666,356.28
5. Step 5: Solve for x
   x = 16,002,666,356.28/119,200.29
6. Step 6: Final answer
   x = 134,250.23