Finding the Fourth Proportional to 13,109.42, 19,535.32 and 13,060.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109.42 : 19,535.32 = 13,060.82 : x
2. Step 2: Convert to fraction form
   13,109.42/19,535.32 = 13,060.82/x
3. Step 3: Cross multiply
   13,109.42x = 19,535.32 × 13,060.82
4. Step 4: Simplify right side
   13,109.42x = 255,147,298.16
5. Step 5: Solve for x
   x = 255,147,298.16/13,109.42
6. Step 6: Final answer
   x = 19,462.90