Finding the Fourth Proportional to 314,458.80, 471,655.39 and 89,804.69

Step by Step Solution

1. Step 1: Write the proportion equation
   314,458.80 : 471,655.39 = 89,804.69 : x
2. Step 2: Convert to fraction form
   314,458.80/471,655.39 = 89,804.69/x
3. Step 3: Cross multiply
   314,458.80x = 471,655.39 × 89,804.69
4. Step 4: Simplify right side
   314,458.80x = 42,356,866,085.78
5. Step 5: Solve for x
   x = 42,356,866,085.78/314,458.80
6. Step 6: Final answer
   x = 134,697.66