Finding the Fourth Proportional to 43,012.77, 64,432.89 and 21,951.96

Step by Step Solution

1. Step 1: Write the proportion equation
   43,012.77 : 64,432.89 = 21,951.96 : x
2. Step 2: Convert to fraction form
   43,012.77/64,432.89 = 21,951.96/x
3. Step 3: Cross multiply
   43,012.77x = 64,432.89 × 21,951.96
4. Step 4: Simplify right side
   43,012.77x = 1,414,428,223.96
5. Step 5: Solve for x
   x = 1,414,428,223.96/43,012.77
6. Step 6: Final answer
   x = 32,883.91