Finding the Fourth Proportional to 314,485.68, 471,744.72 and 89,828.40

Step by Step Solution

1. Step 1: Write the proportion equation
   314,485.68 : 471,744.72 = 89,828.40 : x
2. Step 2: Convert to fraction form
   314,485.68/471,744.72 = 89,828.40/x
3. Step 3: Cross multiply
   314,485.68x = 471,744.72 × 89,828.40
4. Step 4: Simplify right side
   314,485.68x = 42,376,073,406.05
5. Step 5: Solve for x
   x = 42,376,073,406.05/314,485.68
6. Step 6: Final answer
   x = 134,747.23