Finding the Fourth Proportional to 43,109.52, 64,674.60 and 13,527.30

Step by Step Solution

1. Step 1: Write the proportion equation
   43,109.52 : 64,674.60 = 13,527.30 : x
2. Step 2: Convert to fraction form
   43,109.52/64,674.60 = 13,527.30/x
3. Step 3: Cross multiply
   43,109.52x = 64,674.60 × 13,527.30
4. Step 4: Simplify right side
   43,109.52x = 874,872,984.47
5. Step 5: Solve for x
   x = 874,872,984.47/43,109.52
6. Step 6: Final answer
   x = 20,294.20