Finding the Fourth Proportional to 13,018.64, 19,501.83 and 5,988.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.64 : 19,501.83 = 5,988.85 : x
2. Step 2: Convert to fraction form
   13,018.64/19,501.83 = 5,988.85/x
3. Step 3: Cross multiply
   13,018.64x = 19,501.83 × 5,988.85
4. Step 4: Simplify right side
   13,018.64x = 116,793,595.54
5. Step 5: Solve for x
   x = 116,793,595.54/13,018.64
6. Step 6: Final answer
   x = 8,971.26