Finding the Fourth Proportional to 13,242.22, 19,857.15 and 5,848.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,242.22 : 19,857.15 = 5,848.81 : x
2. Step 2: Convert to fraction form
   13,242.22/19,857.15 = 5,848.81/x
3. Step 3: Cross multiply
   13,242.22x = 19,857.15 × 5,848.81
4. Step 4: Simplify right side
   13,242.22x = 116,140,647.85
5. Step 5: Solve for x
   x = 116,140,647.85/13,242.22
6. Step 6: Final answer
   x = 8,770.48