Finding the Fourth Proportional to 43,238.17, 64,800.69 and 22,160.35

Step by Step Solution

1. Step 1: Write the proportion equation
   43,238.17 : 64,800.69 = 22,160.35 : x
2. Step 2: Convert to fraction form
   43,238.17/64,800.69 = 22,160.35/x
3. Step 3: Cross multiply
   43,238.17x = 64,800.69 × 22,160.35
4. Step 4: Simplify right side
   43,238.17x = 1,436,005,970.64
5. Step 5: Solve for x
   x = 1,436,005,970.64/43,238.17
6. Step 6: Final answer
   x = 33,211.53