Finding the Fourth Proportional to 42,963.83, 64,369.51 and 17,948.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,963.83 : 64,369.51 = 17,948.83 : x
2. Step 2: Convert to fraction form
   42,963.83/64,369.51 = 17,948.83/x
3. Step 3: Cross multiply
   42,963.83x = 64,369.51 × 17,948.83
4. Step 4: Simplify right side
   42,963.83x = 1,155,357,186.38
5. Step 5: Solve for x
   x = 1,155,357,186.38/42,963.83
6. Step 6: Final answer
   x = 26,891.39