Finding the Fourth Proportional to 314,036.78, 471,044.18 and 89,398.46

Step by Step Solution

1. Step 1: Write the proportion equation
   314,036.78 : 471,044.18 = 89,398.46 : x
2. Step 2: Convert to fraction form
   314,036.78/471,044.18 = 89,398.46/x
3. Step 3: Cross multiply
   314,036.78x = 471,044.18 × 89,398.46
4. Step 4: Simplify right side
   314,036.78x = 42,110,621,481.75
5. Step 5: Solve for x
   x = 42,110,621,481.75/314,036.78
6. Step 6: Final answer
   x = 134,094.55