Finding the Fourth Proportional to 314,457.80, 471,653.89 and 89,803.69

Step by Step Solution

1. Step 1: Write the proportion equation
   314,457.80 : 471,653.89 = 89,803.69 : x
2. Step 2: Convert to fraction form
   314,457.80/471,653.89 = 89,803.69/x
3. Step 3: Cross multiply
   314,457.80x = 471,653.89 × 89,803.69
4. Step 4: Simplify right side
   314,457.80x = 42,356,258,321.21
5. Step 5: Solve for x
   x = 42,356,258,321.21/314,457.80
6. Step 6: Final answer
   x = 134,696.16