Finding the Fourth Proportional to 42,957.83, 64,461.84 and 17,995.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,957.83 : 64,461.84 = 17,995.74 : x
2. Step 2: Convert to fraction form
   42,957.83/64,461.84 = 17,995.74/x
3. Step 3: Cross multiply
   42,957.83x = 64,461.84 × 17,995.74
4. Step 4: Simplify right side
   42,957.83x = 1,160,038,512.56
5. Step 5: Solve for x
   x = 1,160,038,512.56/42,957.83
6. Step 6: Final answer
   x = 27,004.13