Finding the Fourth Proportional to 13,012.42, 19,515.71 and 5,985.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.42 : 19,515.71 = 5,985.68 : x
2. Step 2: Convert to fraction form
   13,012.42/19,515.71 = 5,985.68/x
3. Step 3: Cross multiply
   13,012.42x = 19,515.71 × 5,985.68
4. Step 4: Simplify right side
   13,012.42x = 116,814,828.86
5. Step 5: Solve for x
   x = 116,814,828.86/13,012.42
6. Step 6: Final answer
   x = 8,977.18