Finding the Fourth Proportional to 13,300.80, 19,953.62 and 5,510.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.80 : 19,953.62 = 5,510.22 : x
2. Step 2: Convert to fraction form
   13,300.80/19,953.62 = 5,510.22/x
3. Step 3: Cross multiply
   13,300.80x = 19,953.62 × 5,510.22
4. Step 4: Simplify right side
   13,300.80x = 109,948,836.00
5. Step 5: Solve for x
   x = 109,948,836.00/13,300.80
6. Step 6: Final answer
   x = 8,266.33