Finding the Fourth Proportional to 314,030.64, 470,975.20 and 89,386.10

Step by Step Solution

1. Step 1: Write the proportion equation
   314,030.64 : 470,975.20 = 89,386.10 : x
2. Step 2: Convert to fraction form
   314,030.64/470,975.20 = 89,386.10/x
3. Step 3: Cross multiply
   314,030.64x = 470,975.20 × 89,386.10
4. Step 4: Simplify right side
   314,030.64x = 42,098,636,324.72
5. Step 5: Solve for x
   x = 42,098,636,324.72/314,030.64
6. Step 6: Final answer
   x = 134,059.01