Finding the Fourth Proportional to 10,925.91, 16,388.88 and 4,681.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.91 : 16,388.88 = 4,681.88 : x
2. Step 2: Convert to fraction form
   10,925.91/16,388.88 = 4,681.88/x
3. Step 3: Cross multiply
   10,925.91x = 16,388.88 × 4,681.88
4. Step 4: Simplify right side
   10,925.91x = 76,730,687.55
5. Step 5: Solve for x
   x = 76,730,687.55/10,925.91
6. Step 6: Final answer
   x = 7,022.82