Finding the Fourth Proportional to 314,032.83, 470,978.49 and 89,388.29

Step by Step Solution

1. Step 1: Write the proportion equation
   314,032.83 : 470,978.49 = 89,388.29 : x
2. Step 2: Convert to fraction form
   314,032.83/470,978.49 = 89,388.29/x
3. Step 3: Cross multiply
   314,032.83x = 470,978.49 × 89,388.29
4. Step 4: Simplify right side
   314,032.83x = 42,099,959,492.99
5. Step 5: Solve for x
   x = 42,099,959,492.99/314,032.83
6. Step 6: Final answer
   x = 134,062.29