Finding the Fourth Proportional to 28,174.50, 42,276.33 and 14,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,174.50 : 42,276.33 = 14,323.50 : x
2. Step 2: Convert to fraction form
   28,174.50/42,276.33 = 14,323.50/x
3. Step 3: Cross multiply
   28,174.50x = 42,276.33 × 14,323.50
4. Step 4: Simplify right side
   28,174.50x = 605,545,012.76
5. Step 5: Solve for x
   x = 605,545,012.76/28,174.50
6. Step 6: Final answer
   x = 21,492.66