Finding the Fourth Proportional to 314,436.15, 471,723.48 and 89,791.56

Step by Step Solution

1. Step 1: Write the proportion equation
   314,436.15 : 471,723.48 = 89,791.56 : x
2. Step 2: Convert to fraction form
   314,436.15/471,723.48 = 89,791.56/x
3. Step 3: Cross multiply
   314,436.15x = 471,723.48 × 89,791.56
4. Step 4: Simplify right side
   314,436.15x = 42,356,787,157.83
5. Step 5: Solve for x
   x = 42,356,787,157.83/314,436.15
6. Step 6: Final answer
   x = 134,707.12