Finding the Fourth Proportional to 43,111.39, 64,648.24 and 21,750.96

Step by Step Solution

1. Step 1: Write the proportion equation
   43,111.39 : 64,648.24 = 21,750.96 : x
2. Step 2: Convert to fraction form
   43,111.39/64,648.24 = 21,750.96/x
3. Step 3: Cross multiply
   43,111.39x = 64,648.24 × 21,750.96
4. Step 4: Simplify right side
   43,111.39x = 1,406,161,282.31
5. Step 5: Solve for x
   x = 1,406,161,282.31/43,111.39
6. Step 6: Final answer
   x = 32,616.93