Finding the Fourth Proportional to 42,946.33, 64,444.61 and 17,984.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,946.33 : 64,444.61 = 17,984.28 : x
2. Step 2: Convert to fraction form
   42,946.33/64,444.61 = 17,984.28/x
3. Step 3: Cross multiply
   42,946.33x = 64,444.61 × 17,984.28
4. Step 4: Simplify right side
   42,946.33x = 1,158,989,834.86
5. Step 5: Solve for x
   x = 1,158,989,834.86/42,946.33
6. Step 6: Final answer
   x = 26,986.94