Finding the Fourth Proportional to 13,080.15, 19,623.53 and 5,685.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.15 : 19,623.53 = 5,685.93 : x
2. Step 2: Convert to fraction form
   13,080.15/19,623.53 = 5,685.93/x
3. Step 3: Cross multiply
   13,080.15x = 19,623.53 × 5,685.93
4. Step 4: Simplify right side
   13,080.15x = 111,578,032.15
5. Step 5: Solve for x
   x = 111,578,032.15/13,080.15
6. Step 6: Final answer
   x = 8,530.33