Finding the Fourth Proportional to 9,777.32, 14,666.64 and 3,933.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,777.32 : 14,666.64 = 3,933.92 : x
2. Step 2: Convert to fraction form
   9,777.32/14,666.64 = 3,933.92/x
3. Step 3: Cross multiply
   9,777.32x = 14,666.64 × 3,933.92
4. Step 4: Simplify right side
   9,777.32x = 57,697,388.43
5. Step 5: Solve for x
   x = 57,697,388.43/9,777.32
6. Step 6: Final answer
   x = 5,901.15