Finding the Fourth Proportional to 10,042.67, 13,858.86 and 5,505.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,042.67 : 13,858.86 = 5,505.35 : x
2. Step 2: Convert to fraction form
   10,042.67/13,858.86 = 5,505.35/x
3. Step 3: Cross multiply
   10,042.67x = 13,858.86 × 5,505.35
4. Step 4: Simplify right side
   10,042.67x = 76,297,874.90
5. Step 5: Solve for x
   x = 76,297,874.90/10,042.67
6. Step 6: Final answer
   x = 7,597.37