Finding the Fourth Proportional to 28,498.98, 42,750.89 and 7,441.81

Step by Step Solution

1. Step 1: Write the proportion equation
   28,498.98 : 42,750.89 = 7,441.81 : x
2. Step 2: Convert to fraction form
   28,498.98/42,750.89 = 7,441.81/x
3. Step 3: Cross multiply
   28,498.98x = 42,750.89 × 7,441.81
4. Step 4: Simplify right side
   28,498.98x = 318,144,000.71
5. Step 5: Solve for x
   x = 318,144,000.71/28,498.98
6. Step 6: Final answer
   x = 11,163.35