Finding the Fourth Proportional to 10,925.05, 16,384.05 and 3,527.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.05 : 16,384.05 = 3,527.78 : x
2. Step 2: Convert to fraction form
   10,925.05/16,384.05 = 3,527.78/x
3. Step 3: Cross multiply
   10,925.05x = 16,384.05 × 3,527.78
4. Step 4: Simplify right side
   10,925.05x = 57,799,323.91
5. Step 5: Solve for x
   x = 57,799,323.91/10,925.05
6. Step 6: Final answer
   x = 5,290.53