Finding the Fourth Proportional to 13,080.62, 19,607.34 and 5,678.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.62 : 19,607.34 = 5,678.84 : x
2. Step 2: Convert to fraction form
   13,080.62/19,607.34 = 5,678.84/x
3. Step 3: Cross multiply
   13,080.62x = 19,607.34 × 5,678.84
4. Step 4: Simplify right side
   13,080.62x = 111,346,946.69
5. Step 5: Solve for x
   x = 111,346,946.69/13,080.62
6. Step 6: Final answer
   x = 8,512.36