Finding the Fourth Proportional to 43,134.56, 64,670.72 and 13,536.48

Step by Step Solution

1. Step 1: Write the proportion equation
   43,134.56 : 64,670.72 = 13,536.48 : x
2. Step 2: Convert to fraction form
   43,134.56/64,670.72 = 13,536.48/x
3. Step 3: Cross multiply
   43,134.56x = 64,670.72 × 13,536.48
4. Step 4: Simplify right side
   43,134.56x = 875,413,907.87
5. Step 5: Solve for x
   x = 875,413,907.87/43,134.56
6. Step 6: Final answer
   x = 20,294.95