Finding the Fourth Proportional to 28,253.00, 42,386.61 and 19,949.24

Step by Step Solution

1. Step 1: Write the proportion equation
   28,253.00 : 42,386.61 = 19,949.24 : x
2. Step 2: Convert to fraction form
   28,253.00/42,386.61 = 19,949.24/x
3. Step 3: Cross multiply
   28,253.00x = 42,386.61 × 19,949.24
4. Step 4: Simplify right side
   28,253.00x = 845,580,443.74
5. Step 5: Solve for x
   x = 845,580,443.74/28,253.00
6. Step 6: Final answer
   x = 29,928.88