Finding the Fourth Proportional to 28,104.53, 42,155.76 and 7,044.72

Step by Step Solution

1. Step 1: Write the proportion equation
   28,104.53 : 42,155.76 = 7,044.72 : x
2. Step 2: Convert to fraction form
   28,104.53/42,155.76 = 7,044.72/x
3. Step 3: Cross multiply
   28,104.53x = 42,155.76 × 7,044.72
4. Step 4: Simplify right side
   28,104.53x = 296,975,525.59
5. Step 5: Solve for x
   x = 296,975,525.59/28,104.53
6. Step 6: Final answer
   x = 10,566.82