Finding the Fourth Proportional to 10,035.78, 13,848.96 and 5,559.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,035.78 : 13,848.96 = 5,559.72 : x
2. Step 2: Convert to fraction form
   10,035.78/13,848.96 = 5,559.72/x
3. Step 3: Cross multiply
   10,035.78x = 13,848.96 × 5,559.72
4. Step 4: Simplify right side
   10,035.78x = 76,996,339.89
5. Step 5: Solve for x
   x = 76,996,339.89/10,035.78
6. Step 6: Final answer
   x = 7,672.18