Finding the Fourth Proportional to 64,802.77, 89,433.00 and 36,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,802.77 : 89,433.00 = 36,131.72 : x
2. Step 2: Convert to fraction form
   64,802.77/89,433.00 = 36,131.72/x
3. Step 3: Cross multiply
   64,802.77x = 89,433.00 × 36,131.72
4. Step 4: Simplify right side
   64,802.77x = 3,231,367,981.51
5. Step 5: Solve for x
   x = 3,231,367,981.51/64,802.77
6. Step 6: Final answer
   x = 49,864.66