Finding the Fourth Proportional to 13,260.30, 19,875.69 and 5,462.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,260.30 : 19,875.69 = 5,462.34 : x
2. Step 2: Convert to fraction form
   13,260.30/19,875.69 = 5,462.34/x
3. Step 3: Cross multiply
   13,260.30x = 19,875.69 × 5,462.34
4. Step 4: Simplify right side
   13,260.30x = 108,567,776.51
5. Step 5: Solve for x
   x = 108,567,776.51/13,260.30
6. Step 6: Final answer
   x = 8,187.43