Finding the Fourth Proportional to 42,937.89, 64,417.05 and 17,963.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,937.89 : 64,417.05 = 17,963.97 : x
2. Step 2: Convert to fraction form
   42,937.89/64,417.05 = 17,963.97/x
3. Step 3: Cross multiply
   42,937.89x = 64,417.05 × 17,963.97
4. Step 4: Simplify right side
   42,937.89x = 1,157,185,953.69
5. Step 5: Solve for x
   x = 1,157,185,953.69/42,937.89
6. Step 6: Final answer
   x = 26,950.23