Finding the Fourth Proportional to 314,028.71, 470,972.30 and 89,384.16

Step by Step Solution

1. Step 1: Write the proportion equation
   314,028.71 : 470,972.30 = 89,384.16 : x
2. Step 2: Convert to fraction form
   314,028.71/470,972.30 = 89,384.16/x
3. Step 3: Cross multiply
   314,028.71x = 470,972.30 × 89,384.16
4. Step 4: Simplify right side
   314,028.71x = 42,097,462,971.85
5. Step 5: Solve for x
   x = 42,097,462,971.85/314,028.71
6. Step 6: Final answer
   x = 134,056.10