Finding the Fourth Proportional to 42,801.83, 64,214.55 and 17,853.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,801.83 : 64,214.55 = 17,853.60 : x
2. Step 2: Convert to fraction form
   42,801.83/64,214.55 = 17,853.60/x
3. Step 3: Cross multiply
   42,801.83x = 64,214.55 × 17,853.60
4. Step 4: Simplify right side
   42,801.83x = 1,146,460,889.88
5. Step 5: Solve for x
   x = 1,146,460,889.88/42,801.83
6. Step 6: Final answer
   x = 26,785.33