Finding the Fourth Proportional to 64,778.01, 89,393.27 and 36,492.81

Step by Step Solution

1. Step 1: Write the proportion equation
   64,778.01 : 89,393.27 = 36,492.81 : x
2. Step 2: Convert to fraction form
   64,778.01/89,393.27 = 36,492.81/x
3. Step 3: Cross multiply
   64,778.01x = 89,393.27 × 36,492.81
4. Step 4: Simplify right side
   64,778.01x = 3,262,211,434.92
5. Step 5: Solve for x
   x = 3,262,211,434.92/64,778.01
6. Step 6: Final answer
   x = 50,359.86