Finding the Fourth Proportional to 10,503.78, 14,495.87 and 5,788.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.78 : 14,495.87 = 5,788.05 : x
2. Step 2: Convert to fraction form
   10,503.78/14,495.87 = 5,788.05/x
3. Step 3: Cross multiply
   10,503.78x = 14,495.87 × 5,788.05
4. Step 4: Simplify right side
   10,503.78x = 83,902,791.41
5. Step 5: Solve for x
   x = 83,902,791.41/10,503.78
6. Step 6: Final answer
   x = 7,987.87