Finding the Fourth Proportional to 43,238.49, 64,822.52 and 29,021.63

Step by Step Solution

1. Step 1: Write the proportion equation
   43,238.49 : 64,822.52 = 29,021.63 : x
2. Step 2: Convert to fraction form
   43,238.49/64,822.52 = 29,021.63/x
3. Step 3: Cross multiply
   43,238.49x = 64,822.52 × 29,021.63
4. Step 4: Simplify right side
   43,238.49x = 1,881,254,721.89
5. Step 5: Solve for x
   x = 1,881,254,721.89/43,238.49
6. Step 6: Final answer
   x = 43,508.80