Finding the Fourth Proportional to 28,333.33, 42,499.74 and 10,563.39

Step by Step Solution

1. Step 1: Write the proportion equation
   28,333.33 : 42,499.74 = 10,563.39 : x
2. Step 2: Convert to fraction form
   28,333.33/42,499.74 = 10,563.39/x
3. Step 3: Cross multiply
   28,333.33x = 42,499.74 × 10,563.39
4. Step 4: Simplify right side
   28,333.33x = 448,941,089.61
5. Step 5: Solve for x
   x = 448,941,089.61/28,333.33
6. Step 6: Final answer
   x = 15,844.98