Finding the Fourth Proportional to 43,196.61, 64,648.56 and 26,567.19

Step by Step Solution

1. Step 1: Write the proportion equation
   43,196.61 : 64,648.56 = 26,567.19 : x
2. Step 2: Convert to fraction form
   43,196.61/64,648.56 = 26,567.19/x
3. Step 3: Cross multiply
   43,196.61x = 64,648.56 × 26,567.19
4. Step 4: Simplify right side
   43,196.61x = 1,717,530,576.75
5. Step 5: Solve for x
   x = 1,717,530,576.75/43,196.61
6. Step 6: Final answer
   x = 39,760.77