Finding the Fourth Proportional to 10,000.72, 14,981.84 and 5,604.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,000.72 : 14,981.84 = 5,604.88 : x
2. Step 2: Convert to fraction form
   10,000.72/14,981.84 = 5,604.88/x
3. Step 3: Cross multiply
   10,000.72x = 14,981.84 × 5,604.88
4. Step 4: Simplify right side
   10,000.72x = 83,971,415.38
5. Step 5: Solve for x
   x = 83,971,415.38/10,000.72
6. Step 6: Final answer
   x = 8,396.54