Finding the Fourth Proportional to 42,801.08, 64,213.43 and 17,852.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,801.08 : 64,213.43 = 17,852.85 : x
2. Step 2: Convert to fraction form
   42,801.08/64,213.43 = 17,852.85/x
3. Step 3: Cross multiply
   42,801.08x = 64,213.43 × 17,852.85
4. Step 4: Simplify right side
   42,801.08x = 1,146,392,644.51
5. Step 5: Solve for x
   x = 1,146,392,644.51/42,801.08
6. Step 6: Final answer
   x = 26,784.20