Finding the Fourth Proportional to 109,871.12, 151,623.32 and 64,551

Step by Step Solution

1. Step 1: Write the proportion equation
   109,871.12 : 151,623.32 = 64,551 : x
2. Step 2: Convert to fraction form
   109,871.12/151,623.32 = 64,551/x
3. Step 3: Cross multiply
   109,871.12x = 151,623.32 × 64,551
4. Step 4: Simplify right side
   109,871.12x = 9,787,436,929.32
5. Step 5: Solve for x
   x = 9,787,436,929.32/109,871.12
6. Step 6: Final answer
   x = 89,081.07