Finding the Fourth Proportional to 42,933.07, 64,387.98 and 17,968

Step by Step Solution

1. Step 1: Write the proportion equation
   42,933.07 : 64,387.98 = 17,968 : x
2. Step 2: Convert to fraction form
   42,933.07/64,387.98 = 17,968/x
3. Step 3: Cross multiply
   42,933.07x = 64,387.98 × 17,968
4. Step 4: Simplify right side
   42,933.07x = 1,156,923,224.64
5. Step 5: Solve for x
   x = 1,156,923,224.64/42,933.07
6. Step 6: Final answer
   x = 26,947.13