Finding the Fourth Proportional to 64,706.88, 89,280.72 and 36,402.24

Step by Step Solution

1. Step 1: Write the proportion equation
   64,706.88 : 89,280.72 = 36,402.24 : x
2. Step 2: Convert to fraction form
   64,706.88/89,280.72 = 36,402.24/x
3. Step 3: Cross multiply
   64,706.88x = 89,280.72 × 36,402.24
4. Step 4: Simplify right side
   64,706.88x = 3,250,018,196.81
5. Step 5: Solve for x
   x = 3,250,018,196.81/64,706.88
6. Step 6: Final answer
   x = 50,226.78