Finding the Fourth Proportional to 314,178.89, 471,197.35 and 89,534.50

Step by Step Solution

1. Step 1: Write the proportion equation
   314,178.89 : 471,197.35 = 89,534.50 : x
2. Step 2: Convert to fraction form
   314,178.89/471,197.35 = 89,534.50/x
3. Step 3: Cross multiply
   314,178.89x = 471,197.35 × 89,534.50
4. Step 4: Simplify right side
   314,178.89x = 42,188,418,067.50
5. Step 5: Solve for x
   x = 42,188,418,067.50/314,178.89
6. Step 6: Final answer
   x = 134,281.52