Finding the Fourth Proportional to 64,777.34, 89,386.52 and 36,095.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,777.34 : 89,386.52 = 36,095.78 : x
2. Step 2: Convert to fraction form
   64,777.34/89,386.52 = 36,095.78/x
3. Step 3: Cross multiply
   64,777.34x = 89,386.52 × 36,095.78
4. Step 4: Simplify right side
   64,777.34x = 3,226,476,160.89
5. Step 5: Solve for x
   x = 3,226,476,160.89/64,777.34
6. Step 6: Final answer
   x = 49,808.72